A summary of new ANC active noise reduction TWS headphones in 2020, 14 unique products for you to choose

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The rapid development of science and technology, new things gradually replace the old things into the mainstream. As the product that has changed people’s lives the most since the beginning of the 20th century, mobile phones have been constantly upgrading their corresponding accessories. In recent years, as mainstream flagship mobile phones have successively cancelled the 3.5mm headphone jack from various considerations, TWS true wireless bluetooth earphones have gained rapid popularity. The upgrading of industrial chain technologies such as bluetooth, chips, and batteries provides guarantee for TWS earphones, and improves product quality and user experience.

ANC active noise reduction is a feature that has been widely used on TWS earphones in the past two years, bringing a qualitative leap in the experience of TWS earphones. 52audio has disassembled 24 products that support active noise reduction. Although their appearance and performance are not the same, the addition of active noise reduction function makes it very different from ordinary headphones in terms of experience. Allows you to quiet the whole world at the moment you put on the headphones.

2020 ANC active noise reduction TWS headphones collect

2020 is the year when TWS true wireless noise-cancelling headphones begin to explode. So far, more than ten products have been launched, and each product has become a hot product for a while. Recently, the CCTV-2 “TWS noise-cancelling earphones market is booming, many manufacturers are vying for layout” wireless earphones industry survey news report once again set off hot spots, so that more earphones user groups learned about TWS noise-cancelling earphones products.

This time 52audio compiled 14 new TWS true wireless noise-cancelling headphones for everyone in 2020, including OPPO Enco X, realme Buds Air Pro, Xiaomi Air 2 Pro, Bose QuietComfort Earbuds, Huawei FreeBuds Pro, Samsung Galaxy Buds Live, Haylou T16, Urbanista London, Mobvoi Ticpods ANC, 233621 Zen Pro, Edifier TWS NB2, OPPO Enco W51, Honor FlyPods 3, 1More hybrid, who is the best active noise reduction TWS earphones of 2020, you choose!
(Sorted according to release time from nearest to far, in no particular order)

1. OPPO Enco X true wireless noise canceling headphones

On October 19th of last month, the OPPO Wisdom Life conference was successfully held, and many new products including smart TVs, smart watches, and true wireless headphones were released. OPPO Enco X true wireless noise-cancelling headphones also officially debuted. Compared with the previous generation of noise-canceling headphones W51 has undergone a comprehensive upgrade.

The outstanding feature is the appearance of OPPO’s first MP3 X3 classic star ring design; and for the first time jointly created with Dynaudio, the master Dynaudio personally tuned, with OPPO’s new DBEE3.0 sound system, the sound quality of the bluetooth earphones is accurate and comprehensive. Positional tuning. And it has also greatly improved in terms of noise reduction, battery life, and bluetooth connection.

OPPO Enco X true wireless noise canceling headphones

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OPPO Enco X true wireless noise reduction headphones have undergone a comprehensive upgrade from the box to the product’s software and hardware, highlighting the positioning of the flagship product. The earphone is still designed as a handle-type earphone, but the earphone handle is shorter and the size of the earphone cavity is smaller, which enhances the wearing comfort. The shell continues the previous “Symphony Coating” design on the OPPO Enco W51, and the metal dust screen The design is also more beautiful, which further enhances the appearance; the charging case adopts a new cobblestone-like shape, and the silver waistline pays tribute to OPPO’s classic MP3 design. The OPPO Enco X earphones has a better texture and is at the level of the flagship TWS earphones.

In terms of internal circuits, the internal components of the OPPO Enco X charging case are fixed on a plastic bracket, the battery is inside the bracket, and the battery is outside the motherboard, making full use of the vertical space; Type-C interface input power, by Will SEMI TVS protection tube and LPS LP5306 Together to provide input over-voltage protection, TI BQ25619 is responsible for battery charging and discharging, and Will SEMI WS4612 is used for over-current protection of earphone charging. The soft pack battery comes from ATL with a capacity of 535mAh. The charging case wireless charging receiving solution comes from NuVolta NU1680, which supports the Qi standard, has high integration, and streamlined peripheral components; the HDC MCU is responsible for the overall control of the charging case.

In the earphone part, OPPO Enco X has a very simple appearance, but the internal structure design is more complicated. There are three PCBAs in the earphones. The three PCBAs are connected together by a flexible cable. The bluetooth main control chip related circuit is on a single PCBA, which is connected to the metal shrapnel of the strip main board through a coaxial cable, and then contacts the earphones cover The LDS antenna on the board transmits signals. The LDS antenna is designed along the earphone handle to increase the angle and area of ​​signal reception; there is an FPC in the earphone that connects the flat diaphragm unit, the feed-back microphone and the in-ear detection FPC, and the dynamic driver is welded to the FPC The third PCBA, MBT micro button battery is also welded on the third PCBA, with a capacity of 46mAh. The button battery is a patented design, and the positive and negative leads are output from the top, saving the internal space of the earphones.

The main control chip of OPPO Enco X is Bestechnic BES2500Y. It is reported that this is a dual-core digital bluetooth noise reduction chip that supports bluetooth 5.2, which further improves the stability and delay performance of the connection; OPPO Enco X uses the new chip mainly to balance multiple The demand for a variety of noise reduction modes, the sound quality performance of the coaxial dual unit, and power consumption control. The two-in-one solution of in-ear detection and touch control is the familiar Goodix GH611. The internal space of the earphones is very compact, and the design and production are not small.

Related Reading:
OPPO Enco X True Wireless Noise Cancelling Earbuds teardown
OPPO Enco X: Not only the noise reduction true wireless, but also the ambition of OPPO smart ecology
Different advantages and disadvantages of OPPO Enco X and Airpods Pro
Celebrating the New Year, OPPO Enco X Forbidden City Fuqi Edition released

2. realme Buds Air Pro True wireless noise-cancelling headphones

realme Buds Air Pro is the first TWS earphones that supports active noise reduction launched at the realme Q2 series new product launch on October 13th. The charging case uses a cobblestone design and piano paint process; the earphones is a handle-shaped in-ear design with a structure Similar to OPPO Enco W51. It is the first to be equipped with a customized S1 intelligent noise reduction chip, supporting ANC dual active noise reduction technology, and environmental sound enhancement transparent mode.

Realme Buds Air Pro True wireless noise-cancelling headphones

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The realme Buds Air Pro true wireless earphones is Realme’s first TWS earphones that supports active noise reduction. The appearance of the earphones and charging case retains the sleek and lightweight design style of Realme. The quality of the real phone is better than before.

The charging case uses Type-C interface input power for the first time, the internal circuit is very streamlined, Chipstar CS5801T overvoltage and overcurrent protection IC, TPS SY8803 SoC level chip, responsible for the input overvoltage protection of the charging case, charge and discharge overvoltage, overcurrent, and overtemperature , Short-circuit protection and other functions; TPS SY8803 also integrates I2C communication control function, Eastsoft MCU can read and configure the internal functions of the power supply and the parameters of battery charge and discharge management. The soft pack battery comes from XINYU GANFENG with a capacity of 400mAh.

The earphone part adopts a strip-shaped motherboard, and the inner shell has a very large area of ​​LDS antenna, so the earphone handle is more rounded. The customized “S1 intelligent noise reduction chip” is actually BES BES2300YP. It adopts a hybrid noise reduction scheme. The feedforward microphone is on the top of the headphone handle and the rear feed microphone is near the sound hole. The official advertised maximum noise reduction depth can reach 35dB; the earphones supports ambient sound Enhanced transparency mode, dual microphone call noise reduction function multiplexed noise reduction microphone, no call microphone design, these two functions are quite different from OPPO Enco W51.

In addition, realme Buds Air Pro also uses GOODiX GH610 in-ear detection and touch 2-in-1 solution, TPS SY8602 lithium battery charging solution, earphones built-in button battery has a large capacity, and the official advertised that the battery life in active noise reduction mode can be Up to 5 hours, it also supports fast charging for 10 minutes and 3 hours of listening to music. From the perspective of hardware disassembly, the materials and structural design of realme Buds Air Pro are good.

Related Reading:
Realme Buds Air Pro active noise reduction earphones review

3. Xiaomi Air 2 Pro true wireless noise cancelling bluetooth earphones

Xiaomi’s first TWS earphones that supports active noise reduction, Air 2 Pro, was officially launched in major shopping malls on October 13th to open omni-channel pre-sales. This product has undergone great changes in appearance and configuration based on the previous work. Both the charging case and the earphones have a matte texture. The touch area of ​​the earphone is treated with ceramic technology, which increases the texture and recognition of the product. It supports broadband active noise reduction, transparent transmission mode, and a single battery life of up to 7 hours.

Xiaomi Air 2 Pro True Wireless Noise Cancelling bluetooth earphones

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The appearance of the Xiaomi True Wireless bluetooth earphones Air 2 Pro charging case is similar to the previous one, and the size is larger. The main reason is the increase in battery capacity. The earphone still adopts the handle-in-ear design, but the earphone handle is thinner and the shell line is more In order to be smooth and natural, the touch area of ​​the earphone is designed with a bright surface, which contrasts with the matte texture of the shell. The overall appearance design is simple and durable, with only black color.

In terms of internal circuits, the charging case supports Qi standard wireless charging. The wireless charging receiving solution is ConvenientPower CPS3039, which integrates a receiving module and a linear charging module to charge the built-in battery; the charging case soft pack battery comes from AEC Guoguang Electronics, with a capacity of 500mAh; battery output SILRGY SY7069 boosts the earphones to charge the earphones, Will SEMI WS4612 provides overcurrent protection for the earphones charging; Holtek HT50F32002 MCU is responsible for the overall control of the charging case, and a total of three Hall elements on the circuit are used to accurately detect the status of the earphones and charging case.

The main control chip is BES BES2300YP, which supports active noise reduction and adopts a hybrid noise reduction scheme. The feed-forward microphone is designed on the front side of the earphones when wearing, and the back-feed microphone is located near the sound hole, and there is a call at the bottom of the earphones handle. Microphone, can reuse the front and back feed microphone for call noise reduction function.

The earphones uses a VDL button battery with a capacity of 55mAh, which makes full use of space; the internal charging IC uses HYPWR HP4554, XySemi DFN2X2 lithium protection IC provides battery protection, and CellWise CW2015 performs battery power measurement. There is also an infrared distance sensor in the earphone for in-ear detection, supporting touch control, controlled by ZHOUXINWEI customized Holtek MCU; ST MEMS bone conduction voice switch for voice wake-up function; acoustic configuration, using 12mm dynamic driver supplemented by high rigidity LCP liquid crystal The composite diaphragm enhances the sense of hearing.

From the perspective of hardware disassembly, Xiaomi Air 2 Pro has a more obvious improvement in craftsmanship compared with the previous generation, and the overall design and materials have few rivals in products at the same price. And the earphones is used with the Xiaomi mobile phone with a pop-up window, supports LLAC low-latency transmission technology, and will be upgraded to LHDC 3.0 high-definition bluetooth decoding. It is the latest flagship TWS earphones of Xiaomi.

Related Reading:
Xiaomi Air 2 Pro true wireless noise-cancelling bluetooth earphones teardown
Xiaomi Air 2 Pro review: come from behind, full of sincerity

4. Bose QuietComfort Earbuds true wireless noise canceling headphones

As the originator of noise-reducing headphones in the audio field, Bose has been selling well on noise-reducing headphones, and has maintained the first-echelon level of noise-reduction experience. On September 23, 2020, the BOSE audio new product launch conference was successfully held online. Bose’s first TWS true wireless noise canceling earphones product, Bose noise canceling earphones, was released, and a Bose wireless earphones that did not support active noise canceling was also released. Products and a variety of BOSE smart audio glasses.

Bose QuietComfort Earbuds true wireless noise canceling headphones

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The Bose wireless noise cancelling earphones is Bose’s first true wireless bluetooth earphones that supports active noise reduction. The earphones continues the family style in appearance design and is smaller in size, but compared to the mainstream true wireless earphones currently on the market. And weight is still not dominant, but the active noise reduction effect is indeed very good. The new “shark fin” earmuffs are used, and the No. 1 earmuffs are adapted to the auricles of Orientals to improve wearing comfort and noise reduction.

The charging case cover is a physical pop-up structure, with a large body size and sufficient internal space. In terms of wired charging power management system, Type-C interface input power, NXP QN9080 bluetooth low energy MCU is highly integrated, responsible for battery charging management, complete control of charging case, can be connected to mobile phones, and convenient for firmware upgrades; soft package The battery supplier is Zhuhai Guanyu battery, with a capacity of 850mAh, which can provide longer battery life for the earphones; for wireless charging, the charging case adopts the RENESAS IDT P9225R solution, which supports the Qi standard and has a maximum output of 5W.

The layout and structure of the Bose wireless noise cancelling earphones are also very clear, with sufficient space. The motherboard and battery in the earphones can be placed in parallel. The feedforward microphone and the call microphone are located on the bottom plane of the earphones and are connected to the motherboard through the FPC. There is a transparent bracket in the earphone, which not only plays the role of fixing the battery and isolating the sound cavity, but also designed a bass inverter to enhance the bass effect. What is more exaggerated is that the earphones uses two infrared distance sensors to more accurately monitor the wearing status.

Bose wireless noise canceling headphones support 11 noise reduction levels, using a hybrid noise reduction scheme. The feedforward microphone is located at the bottom of the earphones and is close to the call microphone. The feedback microphone is located at the sound hole. The customized noise reduction IC comes from ADI, and the bluetooth master is controlled. The chip is Qualcomm QCC5127; the touch solution of the earphones comes from Cypress, the button battery comes from VARTA, the capacity is 0.4Wh, about 108mAh, the capacity is large, and the official advertised a single battery life of about 6 hours. On the whole, the Bose wireless noise canceling earplugs use better materials, the internal circuit protection is in place, and the main active noise canceling function experience is excellent.

5. Huawei FreeBuds Pro true wireless noise canceling headphones

Huawei FreeBuds Pro is a TWS true wireless noise-cancelling earphones product that debuted at Huawei’s full-scene new product launch on September 10. The design style is completely different from the previous generation of Huawei FreeBuds 3 . It has a mature and stable appearance, a smooth and rounded feel, and a square headphone handle design, coupled with top-level configuration, highlighting Huawei’s high-end business style.

Huawei FreeBuds Pro true wireless noise canceling headphones

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The Huawei FreeBuds Pro true wireless earphones is the first to adopt a handle in-ear design, which can achieve better active noise reduction effects; the earphones shell adopts a bright surface design, which is in contrast to the matte texture of the charging case; due to the change in the size of the earphones, the charging case The volume has increased correspondingly, but many design elements of the previous Huawei FreeBuds 3 are retained, including the wireless charging coil on the front of the charging case, the position of the pairing button, the design of the metal hinge, and the position of the earphones indicator and charging indicator.

In the Huawei FreeBuds Pro charging case, there is a plastic middle frame to fix each internal structure, and the soft pack battery is also fixed by a plastic shell separately; there are 10 magnets on the inside of the charging cockpit to absorb the earphone and the cover separately, increasing the earphone placement and the cover Stability; the charging case is fixed with a metal plate at the charging interface. The structural design of the charging case is better, and the volume and weight of the charging case are correspondingly increased.

In terms of internal circuits, Huawei’s FreeBuds Pro wireless charging version, the wireless charging receiver IC is ST STWLC33, and TI TPS63810 performs buck-boost conversion; the wired charging system uses Type-C interface input power, and TI BQ25601 is responsible for battery charging management. TI TPS63810 The synchronous buck-boost converter is responsible for the charging and discharging of the battery; both wired charging and wireless charging support fast charging; the soft pack battery used in the charging case comes from ATL; the internal circuit of the charging case also has AWINIC AW9106B for indicator driving, ST STM32F411CE MCU Responsible for the overall control of the charging case.

The structural design of the Huawei FreeBuds Pro earphones is also quite distinctive. The earphones handle is a square design with dual motherboards connected through a soft board. The main control chip is protected by a metal cover and has a heat dissipation design. There are two wind resistance on the outermost cover. Noise duct design uses fluid mechanics to reduce wind noise; at the same time, the outer shell of the earphone also uses a dual antenna design to increase the signal coverage area and improve connection stability; the speaker unit inside the earphone is sealed separately and fixed with a plastic bracket; inside the sound cavity A FPC is connected with button battery, speaker unit, infrared distance sensor and feed-back microphone; there are many components and the structure design is complicated.

The bluetooth master chip of Huawei FreeBuds Pro is Kirin A1, and the active noise reduction DSP is ADI ADAU1787. In addition to the feed-forward microphone and the feed-back microphone, there is also a call microphone and bone voiceprint sensor in the earphones that work together for call noise reduction; The earphones’s long-press, slide, and pinch control methods are from CHIPSEA CSA37F61, and are implemented through related sensor design; the earphones uses multiple ICs to complete the earphones’s various functions.

Related Reading:
Huawei FreeBuds Pro true wireless noise canceling earphones teardown
Don’t worry about the journey, Huawei FreeBuds Pro has become my first choice

6.Samsung Galaxy Buds Live true wireless noise canceling headphones

Galaxy Buds Live is a very popular product this year, and there have been news from May to June this year. In August, this product was finally officially unveiled at the Samsung Noto20 series new product launch. The unique “waist” design of the earphones breaks through the shape of the traditional TWS earphones and is highly recognizable. It also injected new inspiration into the identical design of TWS true wireless headphones.

Samsung Galaxy Buds Live true wireless noise canceling headphones

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When the Samsung Galaxy Buds+ was disassembled, the charging case and the inside of the earphones were already very modular, basically using metal shrapnel and FPC connection, the workmanship was neat and it looked pleasing to the eye. Although the Galaxy Buds Live earphone part adopts a relatively special appearance scheme, the internal structure and circuit design also continue the advantages mentioned above.

Samsung Galaxy Buds Live charging case has built-in Samsung integrated power management chip MUA01, which supports both wireless and wired solutions: wireless fully supports the latest Qi standard, and the wired charging part is responsible for battery charging and discharging safety. In addition, MUA01 also integrates MCU and flash memory It can be responsible for charging case functions such as indicator light control and earphones charge and discharge management. The soft pack battery in the charging case comes from ATL with a capacity of 475mAh, which is the largest battery capacity in the charging case for Samsung TWS earphones.

The internal structure of the Galaxy Buds Live earphones is similar to that of the charging case. A plastic middle frame is used to fix the internal motherboard and other components. The plastic middle frame is mainly fixed by screws and physical buckles. There is an FPC in the earphones with a MEMS microphone, infrared distance sensor, charging copper pillar and speaker unit connected in series with the main board through a connector; the main board, battery and bluetooth antenna are all connected by metal shrapnel, which is convenient for factory assembly and production.

In terms of functionality, Galaxy Buds Live supports ANC active noise reduction. There are three MEMS microphones in the earphones, two of which are mounted on the outside of the earphones to collect ambient noise and call sound; there is also a MEMS microphone at the bottom of the earphones. In the middle of the two vents, the noise near the ear canal is collected. In addition, the appearance of the earphones is relatively special. In combination, the active noise reduction effect of the Galaxy Buds Live may not be ideal. Samsung officials only use a test data. However, ANC can be regarded as an additional function rather than a main function.

Different from ANC, Samsung focused on the call noise reduction function of Galaxy Buds Live. After disassembly, it was found that Samsung used three MEMS microphones in different positions to pick up the sound, and it was realized with the “voice pickup” that is the ST bone vibration sensor. In addition, the bone conduction call noise reduction function, 52audio has introduced this technology in detail for you before, which is also the popular development direction of TWS earphones.

In addition, the Galaxy Buds Live earphones uses the Broadcom BCM43015 bluetooth master chip and Samsung’s MUB01 power management chip, which has been seen on the Galaxy Buds+ before, and the development and application are relatively mature. What is more surprising is that Galaxy Buds Live also uses an intelligent voice processor from BES BES3003, integrated audio codec, hybrid active noise reduction, low-power voice wake-up and recognition, and ST’s high-performance 6-axis sensor to enhance User experience.

In other respects, a 12mm larger dynamic driver is used in the Galaxy Buds Live earphones, and an inverted tube is designed to enhance the bass effect. The button battery returns to VARTA. The 0.2Wh capacity can bring 6 hours of battery life and power consumption control. not bad.

Based on the above factors, Samsung Galaxy Buds Live is a relatively innovative product. The exterior design is sufficiently distinctive and recognizable. The internal structure design and materials are still industry-leading, and the price increases relative to Galaxy Buds+. The range is also relatively reasonable, and the two products have their own characteristics and do not conflict with each other. I look forward to the arrival of Samsung’s TWS earphones with ANC function in the true sense.

7. Haylou T16 true wireless noise reduction headphones

Haylou T16 True Wireless Noise Cancelling Headphones is a product that was launched on Xiaomi Youpin crowdfunding in July. At the time, the price of 279 RMB refreshed the price of TWS true wireless headphones that support active noise reduction, and the functionality is relatively complete. . It not only supports multiple noise reduction modes including active noise reduction mode, but also supports infrared detection, wireless charging and other functions, and the battery life has reached 30h.

Haylou T16 true wireless noise reduction headphones

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Haylou T16 charging case supports wireless charging function. After disassembly, it is found that it uses Generalplus GPMQ8102A wireless charging receiver chip with a maximum output power of 4W. It supports wired and wireless charging switching. In terms of wired charging power management system, the charging case uses Type-C interface input power. ETAsolutions ETA9697 is responsible for input protection and battery charge and discharge management; built-in soft pack battery capacity 600mAh.

In the earphone part, Haylou T16 supports active noise reduction. The bluetooth master chip is Airo AB1552A, which integrates an active noise reduction filter, supports environmental sound detection and active noise reduction. It is Airo’s new generation flagship bluetooth audio solution Solution: The earphones uses a feedback noise reduction scheme, that is, the sound in the ear canal is collected through the electret microphone near the speaker, the noise is separated by the noise reduction chip and noise reduction algorithm, and the reverse sound wave is emitted through the speaker to cancel the noise in the ear canal. Achieve noise reduction effect.

There is also a MEMS microphone in the Haylou T16 earphones to pick up human voices during a call; the earphones supports touch control, and the touch solution comes from VINTEK; the earphones uses an LDS laser antenna to transmit bluetooth signals, and an infrared distance sensor is built in to achieve in-ear detection. The battery saves internal space. The overall design of the earphones is reasonable, the materials used are good, and the price-performance ratio is high. It is a good product.

8. Urbanista London true wireless noise-cancelling headphones

If a TWS true wireless earphones is named after a city and uses city life as the design inspiration to create and display the product, I believe it will attract the attention of many consumers. Urbanista London’s true wireless noise-cancelling headphones were born under this situation. As an audio brand from Sweden, this product adopts the iconic Nordic colors, revealing a simple and cold style, but it has everything in function.

Urbanista London true wireless noise-cancelling headphones

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Urbanista’s products are named after cities, which are more story-telling. The appearance design of its earphones products is relatively simple, and the color scheme is a bit thicker and has certain brand characteristics.

Urbanista London charging case supports the wireless charging function. After disassembly, it was found that the COPO CP2031 wireless charging receiver chip was used. It conforms to the Qi protocol and has a 5W output. It can intelligently switch between wired charging and wireless charging. The integration is high; for wired charging, it adopts Type-C interface input power, built-in ETAsolutions ETA9697 charging compartment two-in-one solution chip is responsible for the charge and discharge of the battery, the battery capacity is 400mAh; there is a Hall element in the earphones to realize the function of opening and connecting.

In the earphone part, Urbanista London supports active noise reduction. After disassembly, it is found that a hybrid noise reduction scheme is adopted, that is, the ambient noise and ear canal noise are picked up by two microphones inside and outside the earphone, and the reverse sound wave of the speaker is used to cancel the noise part through algorithm comparison. , To realize the active noise reduction function, the noise reduction chip of the earphones is BES BES2300.

In addition, the earphones also supports touch control and in-ear detection functions; the internal space is reasonably designed, and the sound cavity is independently sealed to ensure the pickup effect of the feedback microphone. The button battery saves space, and the capacity is 0.167Wh about 45mAh; using FPC Connecting internal components with contacts and other methods can also improve production efficiency. From the perspective of hardware disassembly, Urbanista London true wireless noise-cancelling headphones are a good product.

9. Mobvoi Ticpods ANC true wireless noise cancelling headphones

Mobvoi Ticpods ANC’s true wireless noise-cancelling headphones went on sale at the end of June. They are the first products in the TicPods series of AI true wireless smart earphones under Mobvoi that support active noise reduction. The earphones of this product is wrapped with silicone eartips to increase the tightness of the wearing and improve the noise reduction effect. The noise reduction function supports switching between noise reduction mode, transparent mode and ANC-OFF noise reduction off, and it can be used without mobile phones with Ticwatch Pro 2020.

Mobvoi Ticpods ANC True Wireless Noise Cancelling Headphones

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The Mobvoi Ticpods ANC true wireless noise-cancelling earphones has changed the design of the earphones horizontally placed in the charging case instead of being placed vertically in the charging case. The appearance design of the earphones and charging case is still low-key and simple.

The charging case uses the Type-C interface to input power, and there are related circuits responsible for the charging and discharging of the battery. Microne ME2188 boosts the battery output to charge the earphones. The charging case has a built-in soft pack battery with a capacity of 400mAh.

In the earphone part, Ticpods ANC uses a feed-forward microphone to collect environmental noise, and uses a self-developed noise reduction algorithm to analyze the sound wave that is opposite to the noise through the speaker to eliminate part of the noise; there is also a microphone in the earphone for call pickup. The bluetooth main control chip of the earphones is BES BES2300Z, which supports bluetooth 5.0, supports ANC, and does not distinguish between the main and auxiliary ears; the earphones supports touch control, the solution is from Vinka; the earphones has a built-in soft pack battery with a capacity of 55mAh.

10.233621 Zen Pro True wireless noise-cancelling headphones

233621 is a new and young technology digital brand. 233621 is committed to providing design and sound quality earphones products for young users who are innovative, enjoyable and sustainable. 233621 Zen Pro true wireless noise reduction earphones is a TWS product released in mid-June and supports active hybrid noise reduction three mode switching. It supports personalized customization in appearance, and can create product appearance patterns according to your own preferences.

233621 Zen Pro True wireless noise-cancelling headphones

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In terms of appearance, the charging case still has a clamshell design like a compact box, but the shell uses a polished finish; the appearance design of the earphones is also continued, the in-ear structure, the position of the call microphone protrudes, and the whole is more round and smooth. The most distinctive feature of the 233621 Zen Pro is that the patterns on the earphones and charging case can be freely customized and can provide customized services, whether for personal use or gift giving.

In terms of internal circuits, the charging case uses the Type-C interface to input power, and the built-in TPS SY8803 charging caseSoC is responsible for the charging and discharging of the battery, as well as the data reading with the MCU, and realizes the functions of detecting the entry and exit of the earphones and adjusting the battery current. The charging case uses SP super-polymer cylindrical lithium batteries with a capacity of 1.85Wh and about 500mAh, which is larger than before.

The earphones part uses Qualcomm’s current flagship chip QCC5124, supports ANC active noise reduction technology on the hardware, and matches the 233621 noise reduction algorithm to achieve active hybrid noise reduction through feedforward microphones and feedback microphones; and supports cVc call noise reduction, TWS+ Dual-channel transmission technology and aptX-HD audio encoding; the earphones also uses a larger area LDS bluetooth antenna to transmit signals to enhance the stability of the connection.

From the perspective of hardware disassembly, 233621 Zen Pro is an excellent TWS noise-canceling earphones with better materials, and the appearance can be customized. It is cost-effective. We look forward to future products that can further optimize the space inside the earphones. Structure and overall volume.

11. Edifier TWS NB2 true wireless active noise reduction headphones

Edifier TWS NB2 is a product launched in June 2020. It is a new iteration of the TWS NB series that supports active noise reduction under Edifier. Compared with the previous product, the appearance has changed the design style of the former. The charging case is designed with an oval cobblestone. Although the material is still plastic, it uses a leather-like process. The earphone adopts a handle-shaped in-ear design, and the earphone handle has a strong three-dimensional effect. The overall design style is simple and stylish without lack of texture.

Edifier TWS NB2 true wireless active noise reduction headphones

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In terms of appearance, the charging case of the Edifier TWS NB2 true wireless active noise reduction earphones has a leather-like surface. The earphone adopts the design of earphone handle + in-ear structure. The feedforward microphone bar-shaped opening on the shell is larger, and the bottom of the earphone handle has a cut surface, which makes the overall appearance more recognizable.

In terms of internal circuits, the charging case of Edifier TWS NB2 true wireless active noise reduction headphones adopts Type-C interface input power, and Sinhmicro SS881A is used to charge the built-in battery after the voltage is reduced. Sinhmicro SS881A microcontroller integrates a charging IC, which can save board area; The cylindrical lithium battery in the case comes from Super Poly Power with a rated capacity of 500mAh; the battery output is powered by Microne’s boost IC for the earphones.

In the earphone part, the Edifier TWS NB2 true wireless active noise reduction earphones has three microphones, two of which are used for active noise reduction. The bluetooth main control chip is also a noise reduction chip from BES BES2300YP. The official promotion is Hybrid composite digital noise reduction. The noise reduction depth is up to -35dB and supports transparent mode; the earphones’s feedforward microphone and call microphone cooperate to support dual-mic call noise reduction.

In addition, there is an infrared sensor in the earphone to support the ear detection function; there is an acceleration sensor on the motherboard to detect the tap control; the earphone uses a MIC-POWER button battery with a capacity of 0.222Wh about 60mAh, which can ensure a good battery life.

12. OPPO Enco W51 true wireless noise reduction headphones

OPPO Acoustics’ first active noise reduction true wireless earphones OPPO Enco W51 was released at the Reno4 series mobile phone new product launch on June 5. Compared with the previous one, both in appearance and functional configuration have been greatly improved. The appearance of the phantom color diaphragm makes it more distinctive and recognizable; the addition of active noise reduction, wireless charging and noise reduction of three microphones in function makes it come out at the price of 500 RMB at that time, and the actual use experience has also been numerous. User’s approval.

OPPO Enco W51 true wireless noise reduction headphones

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OPPO Enco W51 adopts an in-ear design in appearance, with decorative patches on the shell, and the headphone handle supports percussion control. The earphone handle is treated with a high-gloss oil injection process, which has a stronger sense of unity, and the new “phantom color diaphragm” is also more cool. In the charging case part, OPPO Enco W51 uses a new square “powder box”, and the shell has also changed from a frosted feel to a paint process. The wireless charging function is newly added. The wireless charging receiving chip is COPO CP2021, which conforms to the Qi protocol of WPC version 1.2.4, and has a maximum power of 2.5W.

In terms of wired charging system, OPPO Enco W51 uses Type-C interface to input power, the built-in battery is charged by the TPS SY8801 chip after the voltage is stepped down, and the battery output current will also be boosted to charge the earphones. In addition. TPS SY8801 also integrates I2C communication function and internal communication isolation function. Nuvoton MCU can read and configure the internal functions of the power supply and the parameters of battery charging and discharging management, realize the adjustment of battery current, TWS earphones storage, storage detection and other functions. The charging case soft pack battery comes from Brich Electronics with a capacity of 480mAh.

On the internal circuit of the earphones, OPPO Enco W51 uses a soft and hard board design, not the previous strip motherboard. There is an FPC cable in the earphones, which is connected to the battery, the call microphone, the feedback microphone with active noise reduction function, the speaker unit, the charging copper column, the DYNA PX318J infrared in-ear detection sensor; on the motherboard is the bluetooth master chip and noise reduction chip BES2300YP And peripheral circuit; dynamic driver size is 7mm, battery capacity is 25mAh, it is GF1050P button-type battery of XINYU GANFENG, these two parameters are the same as OPPO Enco W31.

In addition, the earphones has three built-in MEMS microphones, of which the feed-forward microphone and the feed-back microphone are used to collect ambient noise and mixed noise in the ear canal for the noise reduction chip to analyze and calculate, and there is a microphone mainly used to pick up human voices during calls. Under normal circumstances, a earphones that supports the active noise reduction function will call the feedforward microphone and the call microphone for call noise reduction when the call noise reduction is performed, and OPPO Enco W51 multiplexes the feedforward microphone for three-microphone uplink call noise reduction. The solution comes from Sound+ SVE three-microphone call noise reduction algorithm.

13. Honor FlyPods 3 true wireless active noise reduction headphones

In November 2020, the biggest hot spot in the technology circle is Huawei’s official sale of its sub-brand Honor. At this point, Honor has become an independently operated brand. Honor FlyPods 3 is Honor’s first TWS true wireless earphones that supports active noise reduction released in February. Later, at the Honor 30S conference in March, the robin blue color scheme was launched. The color is fresh and refined, and received unanimous praise.

Honor FlyPods 3 true wireless active noise reduction headphones

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In terms of appearance design, Honor FlyPods 3 is similar to the previous TWS earphones products. It has a long charging case, a “tapered” earphones design, a white body and a light-colored logo, which is relatively simple. Huawei and Honor are currently rare A brand with active noise reduction function in the structure of semi-in-ear headphones.

In terms of internal circuits, Honor has really made a lot of effort this time, which is impressive: the earphone charging case adopts a modular layout, and the charging contacts and other components are connected through a flat cable, which is convenient for testing and assembly; the internal integration of the earphone is very high. High, it is also a modular structure, connected by flat cables.

The speaker unit has an independent cavity with infrared distance sensor, feedback noise reduction microphone, charging contact and fixed magnet underneath, and the charging contact is sealed with a rubber ring, which can be dust-proof and waterproof; the battery module and its cable have a collection environment The sound microphone and touch sensing area occupy very little internal space after folding;

The strip-shaped main board is also connected to the battery module through a flat cable. It has the main control chip BES 2300, ST sensor chip, call radio microphone and its circuit; it adopts the overall solution of CellWise power management, including: CellWise CW2015 fuel gauge chip used in charging case and earphone, and CellWise CW6305 linear in earphone Charging chip.

The infrared optical in-ear detection sensor comes from DYNA, and the three-microphone noise reduction algorithm comes from Sound+. In general, Honor FlyPods 3 has a reasonable design and fine internal workmanship. It is at a high level among TWS earphones that support ANC’s active noise reduction function. It is a bit surprising, and it has the energy to catch up with its big brother Huawei.

14. 1MORE hybrid active noise reduction true wireless earphones

1MORE is an acoustic brand in China that focuses on R&D, design and intelligent software and hardware development. Its main products include various forms including TWS, functional headphones and bluetooth speakers, etc., and are loved by many consumers with superb appearance and high-quality music experience. . Its first TWS noise reduction earphones was unveiled at the CES exhibition in January 2019. The earphones carbon fiber texture design, charging case aluminum alloy material and functional configuration are all at the flagship level.

1MORE hybrid active noise reduction true wireless earphones

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1MORE hybrid active noise reduction true wireless earphones are based on the previous “Fashion Beans”. The earphone part has a new carbon fiber texture design. The charging case is made of aluminum alloy. From earphone design to materials, as well as details of internal structure and accessories, etc. They are very attentive. It is also 1MORE’s first TWS true wireless earphones that supports active noise reduction, and its charging case supports wireless charging.

The earphones part supports dual-mic active noise reduction and dual-mic call noise reduction. The main control chip is Qualcomm QCC3034, which supports Qualcomm aptX audio decoding and TWS+ low-latency technology; the speaker uses the armature direct drive patented technology independently developed by 1MORE, and the armature driver is equipped with 10mm Dynamic driver, complementary in phase and frequency division, can improve details, dynamics and extension.

The earphones and charging case batteries of the 1MORE hybrid active noise reduction true wireless earphones are from VDL. The charging case soft-pack battery has a capacity of 410mAh and the earphones button battery has a capacity of 55mAh. The official advertised that the active noise reduction will last about 4h+14h in the normal bluetooth mode. In TWS+ mode, the active noise reduction battery life is about 5h+13h, and the performance is still good.

On the whole, 1MORE hybrid active noise reduction true wireless earphones are based on the previous “Fashion Bean”. The earphone part has a new carbon fiber texture design, and the charging case is made of aluminum alloy. From earphone design to materials, as well as internal structure and accessories The details are handled with great care. It is an excellent TWS active noise reduction earphones.

Summary:

In the current TWS true wireless earphones market, features such as appearance, wearing comfort, connection stability, sound quality, battery life, noise reduction, wireless charging, and in-ear detection are all factors that need to be considered when buying a TWS product. As a flagship product, in addition to having complete functions, the user experience must also meet high standards. Today in 2020, the status of active noise reduction has been continuously improved, and the choice of products lacking active noise reduction will be considered repeatedly by consumers.

The 14 products collected this time are all contacted and used by 52audio, and a detailed dismantling report has been made. These products are equipped with ANC active noise reduction function. Although there are differences in price, function and noise reduction effect experience, compared with ordinary TWS headphones, whether they have active noise reduction function I think is far greater than Excellent noise reduction effect.

2020 can be said to be the year when TWS true wireless noise-cancelling headphones began to explode. Major brands have begun to deploy TWS noise-cancelling headphones and launched their new products. Although the top products still have a big gap in price compared with ordinary headphones, there are also many cost-effective products with affordable prices and good performance. And 2020 is just the beginning, there will be more TWS noise-cancelling earphones products for consumers to choose in the future.

Finally, I would like to know if you are using TWS true wireless headphones with active noise reduction? Which product of which brand did you use? Which one of the 14 TWS noise-canceling headphones will you choose?

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