Backed by Technics’ legendary sound quality, the EAH-AZ40 earbuds deliver superb audio, great comfort and call clarity, perfect for home, work and travel. Unleashing a true hi-fi experience in the comfort of headphones is my greatest feeling.
Technics EAH-AZ40 specs and features:
- Bluetooth 5.2 with SBC/AAC codec
- 7.5 hours playback of per charge (ANC on/off)
- Charging case can charge earbuds fully 3 times
- IPX4 waterproof rating (rain and sweat resistant)
- 6mm dynamic driver
- $87 – Check latest price on Amazon US, Amazon Germany or other Amazon countries
Accessories & Appearance Design
The accessories of Technics EAH-AZ40 include: 3 pairs of silicone eartips (XS/S/L, M are pre-installed on earbuds), Type-C charging cable, multi-language manual and precautions.
The Technics EAH-AZ40 comes in 3 colors: black, silver and rose gold. The appearance of the charging case is very simple, with a frosted design, and there is not much fancy design. The Technics brand logo is printed on the top of the charging case, and the charging interface is on the back. There is a status indicator light in the opening groove.
The panel of the Technics EAH-AZ40 earbuds cavity is made of alloy material, with the CD pattern with the brand logo on it, which makes it more delicate and beautiful. The earphones have a teardrop-shaped appearance, which is not only stylish, elegant, but also comfortable to wear.
Technics Audio EAH-AZ40 earbuds have two microphones on the back panel: the one with the larger dot area is the secondary microphone for calls, and the other is the main microphone for calls. When working, it can actively capture the user’s voice and reduce ambient noise through beamforming technology.
In the middle of the inner side of the earbuds is the voice detection microphone, which detects the voice when we speak. Ambient noise is not transmitted to the receiver without speaking. In addition, its wind noise reduction structure can also effectively suppress air vibration.
Comfort & Noise Cancelling
From the perspective of wearing experience, thanks to the weight of only 5g of Technics EAH-AZ40 single earbud, coupled with the ergonomic cavity design, it is comfortable to wear without burden, and it is very stable, suitable for daily running. In addition, the earbud also has an IPX4 waterproof rating, so it is not afraid of the invasion of sweat.
EAH-AZ40 is equipped with a 6mm bio-diaphragm dynamic driver. Although it lacks the ANC function compared to the Technics EAH-AZ60, it also supports the Technics JustMyVoice technology. This technology effectively improves voice pickup during calls (it isolates and amplifies word speech while minimizing ambient noise). In addition, earbuds is also equipped with 6 independent microphones (3 each with wind noise suppression function), which can significantly improve the sound quality during voice calls, and ensure clear and smooth communication between the two parties even in a noisy environment.
Connection & Battery Life
Technics EAH-AZ40 is equipped with a Bluetooth 5.2 chip and supports SBC/AAC encoding. Whether it is connection stability, sound latency performance, or effective distance, it is more mature than the previous generation of bluetooth technology. After actual measurement, the pairing speed of Technics EAH-AZ40 is very fast. After opening the charing case cover, the earbuds are connected to the paired audio source device.
The Technics EAH-AZ40 earbuds have a built-in 55mAh lithium battery with a single battery life of about 7.5 hours, and the charging case provides an additional 25 hours of battery life. EAH-AZ40 supports fast charging technology, which can be used for about 90 minutes after only 15 minutes of charging. There is a power indicator in the charging case, and you can know the remaining power of the current charging case through the color change of the indicator.
APP & Sound Mode
Technics Audio Connect is the official companion app of Technics EAH-AZ40. Through the APP, you can check the power of earbuds, you can also customize noise reduction according to your own preferences, and select preset sound modes or custom EQ. For example, if you like more bass, you can directly adjust it here to improve, providing room for audiophiles to play.
Technics EAH-AZ40 has Ambient Sound Mode and Attention Mode. The ambient sound mode can capture the voice and surrounding sounds, even if you wear headphones, you can clearly hear the surrounding sounds, and it can also play a role in safety when crossing the road outdoors. Attention mode strengthens the human voice by reducing unnecessary external noise, making it more audible to hear the voice of colleagues next to you or the sound of external broadcasts.
Sound Quality of EAH-AZ40
The tri-frequency of EAH-AZ40 earbuds is relatively balanced, and the restoration of vocals is more natural and real. Its position has a proper protruding treatment, but it is not very close to the ear, and it is separated from the primary and secondary position of the instrument sound, creating a good sense of atmosphere. In the high frequency part, the sound is bright and transparent, and the resolution is also excellent. Although the high-frequency overtones are weak, there is a certain sense of extension, and the sound field is moderate.
Technics EAH-AZ40 does not deliberately pursue low frequency, and the volume is moderate. Transients and springiness are satisfying, although listening to rock tracks is a little less punchy. Technics EAH-AZ40 can be classified as “all-round earbuds”, which can interpret various types of songs well. People like me who are a little bit demanding about sound quality can’t pick out its shortcomings. I believe that it is no problem to meet the listening needs of most people.