Technics EAHAZ40M2EK
Score: 78/100
Beyerdynamic Amiron 300
Score: 70/100Rankings
The Technics EAH-AZ40M2 offers audiophile-grade sound with LDAC support, effective dual-hybrid ANC, and seamless multipoint connectivity, all packaged in a lightweight, eco-friendly design. Battery life is modest, especially when using LDAC, and the case lacks a charge indicator.
The Amiron 300 delivers audiophile-grade sound and LDAC high-resolution support in a compact, IP54-rated true-wireless design. Battery life is solid, and the app offers deep EQ customization, but ANC falls short of market leaders and touch controls feel finicky.
| Attribute | | |
|---|---|---|
5.5 hours | 10 hoursbest | |
10 m | 15 mbest | |
6.35 mm | 10 mmbest | |
— | 20 Hzbest | |
— | 40,000 Hzbest | |
| ↓ lower better | 5 gbest | 260 g |
12 months | 24 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Audio(1) | ||
Driver Size (mm) | 6.35 mm | 10 mm |
Connectivity(2) | ||
Bluetooth Version | 5.2 | 5.3 |
Wireless Range (m) | 10 m | 15 m |
Warranty(1) | ||
Warranty Period (months) | 12 months | 24 months |
Build & Design(3) | ||
Weight (g) | 5 g | 260 g |
IP Rating | IPX4 | IP54 |
Ear Tip Sizes | XS,S,M,L | XS, S, M, L, XL |
Battery & Power(1) | ||
Battery Life (hours) | 5.5 hours | 10 hours |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the EAH-AZ40M2 for its authentic Technics sound signature, effective dual-hybrid ANC, and industry-leading three-device multipoint connectivity.
Everyday users highlight crystal-clear call quality, easy device switching, and balanced sound, while noting reduced battery life with LDAC and missing auto-pause features.
“Crystal-clear calls”
“Seamless device switching”
“Natural, balanced sound”
Professional reviewers commend the Amiron 300 for its detailed sound and LDAC support, but note that its ANC lags behind top competitors and the touch controls lack refinement.
Everyday users love the sound detail, fit, and EQ app, yet many report ANC artifacts, case ejection issues, unstable multipoint pairing, and muffled microphone quality in noisy settings.
