Technics EAH-AZ100 vs Sennheiser Momentum True Wireless 4
Technics EAH-AZ100 (#3) vs Sennheiser Momentum True Wireless 4 (#4): in our Earbuds for Studio scoring the Technics EAH-AZ100 totals 8.7/10 and the Sennheiser Momentum True Wireless 4 8.5/10. At $297.99 versus $299.95, the Technics EAH-AZ100 costs $1.96 less.
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TopsFive comparison scores
Side by side
| Technics EAH-AZ100 | Sennheiser Momentum True Wireless 4 | |
|---|---|---|
| Price | $297.99 | $299.95 |
| Driver | 10mm magnetic fluid, aluminum diaphragm | — |
| Features | Acoustic Control Chamber, Harmonizer | — |
| EQ | 8-band in-app | — |
| Codecs | LDAC, AAC, LC3 | aptX Lossless, aptX Adaptive |
| THD | — | 0.08% at 94dB (exceptionally low) |
| Frequency Response | — | 5Hz-21kHz |
| Heritage | — | IE 900 driver technology |
How they differ in real use
Built from our earbuds studio scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Technics EAH-AZ100 and the Sennheiser Momentum True Wireless 4 made our Top 5 Earbuds for Studio, at #3 and #4. Balanced, neutral signature perfect for checking how mixes translate to consumer devices. aptX Lossless for CD-quality wireless plus professional Sennheiser tuning and low distortion.
We score earbuds for studio on Accuracy (40%), Detail Resolution (25%), Codec Support (15%), Distortion (10%) and Value (10%). On that basis the Technics EAH-AZ100 totals 8.7 out of 10 and the Sennheiser Momentum True Wireless 4 8.5. The widest gap is Accuracy, where the Technics EAH-AZ100 scores 8.9 against 8.5 for the Sennheiser Momentum True Wireless 4 — flat, revealing frequency response. Detail Resolution also separates them: 9 for the Technics EAH-AZ100 versus 8.5 for the Sennheiser Momentum True Wireless 4. The Sennheiser Momentum True Wireless 4 claws back ground on Codec Support and Distortion.
On paper, the specifications that actually differ: Codecs — LDAC, AAC, LC3 on the Technics EAH-AZ100 versus aptX Lossless, aptX Adaptive on the Sennheiser Momentum True Wireless 4.
Pricing as of August 19, 2026: $297.99 for the Technics EAH-AZ100 and $299.95 for the Sennheiser Momentum True Wireless 4, a $1.96 difference in the Technics EAH-AZ100's favor. Owners praise the Technics EAH-AZ100 for derived from $1,199 reference IEMs and magnetic fluid minimizes distortion; the most common complaint is not flat reference (needs EQ). Owners praise the Sennheiser Momentum True Wireless 4 for 0.08% THD (exceptionally low) and IE 900 driver heritage; the most common complaint is still wireless latency.
Technics EAH-AZ100
- Derived from $1,199 reference IEMs
- Magnetic fluid minimizes distortion
- Harmonizer soundstage expansion
- Hi-Res certified with LDAC
- Not flat reference (needs EQ)
- ANC not best-in-class
- Comfort limited for some
Sennheiser Momentum True Wireless 4
- 0.08% THD (exceptionally low)
- IE 900 driver heritage
- aptX Lossless
- Consistent response regardless of ANC
- Still wireless latency
- Not flat without EQ
- Premium price
Which should you buy?
The Technics EAH-AZ100 is the better fit for mobile reference checks and noisy environment monitoring — it is the higher-scoring pick here, chiefly for Accuracy and Detail Resolution. The Sennheiser Momentum True Wireless 4 is the better fit for checking spatial placement and low-distortion monitoring, and the stronger choice if Codec Support and Distortion matter more to you than the overall score. Since the Technics EAH-AZ100 is both the higher scorer and $1.96 cheaper, the Sennheiser Momentum True Wireless 4 only makes sense for checking spatial placement. The Technics EAH-AZ100 is a poor fit for critical mixing; the Sennheiser Momentum True Wireless 4 is a poor fit for real-time monitoring.
Choose the Technics EAH-AZ100 if
- Mobile reference checks
- Noisy environment monitoring
- Checking consumer translation
Skip it if
- Critical mixing
- Tracking sessions
Choose the Sennheiser Momentum True Wireless 4 if
- Checking spatial placement
- Low-distortion monitoring
- Reference with aptX Lossless
Skip it if
- Real-time monitoring
- Budget studios
Common questions
Is the Technics EAH-AZ100 better than the Sennheiser Momentum True Wireless 4?
In our Earbuds for Studio ranking the Technics EAH-AZ100 scores higher overall, 8.7 to 8.5, with the biggest advantage in Accuracy. The Sennheiser Momentum True Wireless 4 is stronger on Codec Support and Distortion, so it is the better pick if those matter most to you.
How much more does the Sennheiser Momentum True Wireless 4 cost than the Technics EAH-AZ100?
$1.96 more as of August 19, 2026: $299.95 for the Sennheiser Momentum True Wireless 4 against $297.99 for the Technics EAH-AZ100. Prices move, so the merchant page shows the current figure.
What is the main difference between the Technics EAH-AZ100 and the Sennheiser Momentum True Wireless 4?
The headline spec difference is Codecs: LDAC, AAC, LC3 on the Technics EAH-AZ100 versus aptX Lossless, aptX Adaptive on the Sennheiser Momentum True Wireless 4. In use, the gap that matters most is Accuracy (8.9 vs 8.5 in our scoring): flat, revealing frequency response.