Technics EAH-AZ40M2 Wireless Noise Cancelling Earphones


Compact yet powerful 6mm drivers and a special acoustic structure with active noise cancellation deliver clear sound wirelessly — wherever your busy day takes you.
Seamless device switching and crisp call clarity in a comfortable design – you won’t miss a beat.

With IPX4* water resistance for the real-world – with no worries about rain or intensive workouts in the gym.
*IPX4 compatibility for earphones, not charging case


Signature Technics Clear Sound – Unique acoustic technology gives you great audio detail and rich sound for the ultimate listening experience.

All-Day Comfort Design – Low-profile design for comfort throughout the day, and balanced to stay put – even when you’re on the go.

Intuitive Smart Features – With seamless device switching, crystal-clear call clarity, convenient single-earphone use, easy sound control and long battery life.

Rich And Detailed Sound – Clear and detailed sound delivered wirelessly through the unique acoustic chamber, harmoniser, and compact 6mm drivers. Compatible with LDAC™ high-res wireless audio.  *Delivered in 96 kHz/24-bit LDAC, when connected by Bluetooth® to a compatible device.

Pure Sound Clarity – Enjoy pure sound. The Feed Forward Mic captures environmental sound and Digital Processing removes noise in addition to Passive Noise cancelling with the earplug effect.

Multipoint Connection to 3 Devices – Seamless switching for up to 3 devices* (e.g. PC, smartphone & tablet). *LDAC playback not possible with 3 devices.

Beamforming Technology – Clear calls using Beamforming Technology to capture and transmit your voice clearly despite surrounding noise. *Performance may be affected by external factors.

Convenient Single Earphone Use – Keep one ear open, or charge one earphone while using the other. Customise touch sensors through the Technics app.

Control The Sound Around You – Natural Ambient Mode lets you select how much background sound to hear, while Attention Mode focus’s on speech.

Long Battery Life – Up to 5.5 hours* playback with ANC on, 18 hours back-up with the case. Quick charge for 15 minutes will give you 60 minutes of playback.  *After a full charge, subject to playback volume and other factors.

100% Plastic-Free Packaging – Supplied in new compact packaging that dispenses with plastic and other hard-to-recycle finishes.


  • Driver Unit:  6 mm (1/4 in)
  • Frequency Response:  20 Hz – 40 kHz (LDAC 96 kHz/990 kbps)
  • Mic:  Monaural, MEMS Mic
  • Water Resistance:  IPX4 Equivalent (Earphones only)
  • Dual Hybrid Noise Cancelling:  Yes (Feed-Forward only)

Playback Time With Battery (LDAC)

  • Earphones:
    • Approx. 3.5 hours (NC ON)
    • Approx. 4.0 hours (NC OFF)
  • Earphones With Charging Case:
    • Approx. 12 hours (NC ON)
    • Approx. 14 hours (NC OFF)

Playback Time With Battery (AAC)

  • Earphones:
    • Approx. 5.5 hours (NC ON)
    • Approx. 7.0 hours (NC OFF)
  • Earphones With Charging Case:
    • Approx. 18 hours (NC ON)
    • Approx. 24 hours (NC OFF)

Charging Time (25°C/ 77°F)

  • Earphones: Approx. 2.0 hours
  • Charging Case / USB:  Approx. 2.5 hours
  • Charging case / Qi *With certified Qi charger:  –
  • Earphones With Charging Case / USB:  Approx. 3.0 hours
  • Earphones with Charging case / Qi *With certified Qi charger:  –
  • Quick Charge (15 minutes, AAC) Earphones:  Approx. 60 minutes (NC ON)

Standby Time

  • Earphones:
    • Approx. 9.5 hours (NC ON)
    • Approx. 20 hours (NC OFF, Auto power off does not work)

Dimensions (W x H x D)

  • Earphones with Earpiece M Size:  Approx. 22 mm x 26 mm x 24 mm
  • Charging Case:  Approx. 68 mm x 33 mm x 28 mm


  • Earphones (one side only: L and R are the same):  Approx. 5 g (0.18 oz)
  • Charging Case:  Approx. 35 g (1.2 oz)

Supplied Accessories

  • USB Charging Cord:  Approx. 0.2 m (0.66 ft)
  • Input Plug:  USB Type-C Shape
  • Output Plug:  USB Type-C Shape
  • Earpieces Set:  XS, S, M, L (M attached)

Bluetooth® Wireless Technology

  • Version:  5.3
  • Supported Profiles:  A2DP, AVRCP, HSP, HFP
  • Codec:  SBC, AAC, LDAC
  • Operating Distance:  Up to 10 m (33 ft)
  • Multi-point:  Yes (Connect up to 3 devices at a time)
  • Multi-pairing:  Yes (Connect up to 10 devices)


*”Hi-Res Audio Wireless” Logo is used under license from Japan Audio Society. *LDAC and LDAC logo are trademarks of Sony Corporation. *Amazon, Alexa and all related logos are trademarks of, Inc. or its affiliates. Alexa is not available in all languages and countries. Alexa features and functionality may vary by location. *Google, Android and Google Play are trademarks of Google LLC. *The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Panasonic Corporation is under license. Other trademarks and trade names are those of their respective owners.

Additional Information
Weight 0.005 kg
Dimensions (DxWxH) 24 × 22 × 26 mm

Black, Rose Gold, Silver