Sennheiser Momentum True Wireless 4
Score: 88/100
Technics EAH-AZ100-K
Score: 87/100Rankings
The Momentum True Wireless 4 earbuds combine high-resolution audio, hybrid adaptive ANC and extensive codec support in a compact, comfortable package with 30 hours total battery life. While feature-rich, they lack multipoint connectivity and their ANC, though good, is not class-leading.
The Technics EAH-AZ100-K offers reference-class sound, adaptive hybrid ANC, and Dolby Atmos spatial audio, making it a top choice for audiophiles and travelers. Its rich feature set is balanced by some codec limitations in multipoint mode and a learning-curve-heavy app.
| Attribute | | |
|---|---|---|
7.5 hours | 10 hoursbest | |
10 mbest | 10 mbest | |
7 mm | 10 mmbest | |
5 Hz | 20 Hzbest | |
21,000 Hz | 40,000 Hzbest | |
75 mAhbest | — | |
107 dBbest | — | |
| ↓ lower better | 72.4 g | 49.9 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Audio(4) | ||
Driver Size (mm) | 7 mm | 10 mm |
Frequency Response (Low) (Hz) | 5 Hz | 20 Hz |
Frequency Response (High) (Hz) | 21000 Hz | 40000 Hz |
Supported Codecs | SBC, AAC, aptX™, aptX Adaptive, aptX Lossless, LC3 | SBC, AAC, LDAC, LC3 |
Connectivity(1) | ||
Bluetooth Version | 5.4 | 5.3 |
Build & Design(3) | ||
Weight (g) | 72.4 g | 49.9 g |
IP Rating | IP54 | IPX4 |
Ear Tip Sizes | XS, S, M, L | XS, S, M, ML, L |
Battery & Power(1) | ||
Battery Life (hours) | 7.5 hours | 10 hours |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the MTW4 for its studio-quality sound, effective hybrid ANC and future-proof codec support, while noting that ANC gains are modest and the app can be sluggish.
Everyday users overwhelmingly highlight the detailed, immersive audio and crystal-clear call performance, appreciating the adaptive EQ and long battery life, but complain about occasional app glitches and the lack of multipoint pairing.
Professional reviewers praise the EAH-AZ100 for its audiophile-grade fidelity, adaptive ANC and the cinematic impact of Dolby Atmos with head tracking. They note the Magnetic Fluid Driver produces exceptionally clean highs and that the Voice Focus AI makes it one of the best-calling earbuds on the market.
Everyday users rave about the detailed, immersive sound and the ANC's ability to adjust to any environment, while calling performance is highlighted as crystal clear. Common frustrations revolve around LDAC being disabled in multipoint mode, the app's learning curve, lack of a Find My feature, and reduced battery life when using LDAC.
“The sound is incredibly detailed and immersive-I hear instruments I never noticed before.”
“Call quality is crystal clear, even in noisy streets.”
“The sound is incredibly detailed-like I'm hearing layers in songs I've listened to for years.”
