Technics EAH-AZ100 vs Sennheiser Momentum True Wireless 4
Technics EAH-AZ100 (#1, best overall) vs Sennheiser Momentum True Wireless 4 (#4): in our Earbuds for Music scoring the Technics EAH-AZ100 totals 9.3/10 and the Sennheiser Momentum True Wireless 4 8.8/10, the Technics EAH-AZ100 leading on Sound Quality and Value.
We may earn a commission when you buy through our links. Prices and availability shown are accurate as of Aug 5, 2026 and are subject to change; the merchant's price at purchase applies.
TopsFive comparison scores
Side by side
| Technics EAH-AZ100 | Sennheiser Momentum True Wireless 4 | |
|---|---|---|
| Price | $205 | $179 |
| Driver | 10mm magnetic fluid, aluminum diaphragm | 7mm TrueResponse transducer |
| Frequency Response | 3Hz-40kHz | 5Hz-21kHz |
| Codecs | LDAC, AAC, SBC, LC3 | aptX Lossless, aptX Adaptive, AAC, LC3 |
| Battery | 10h / 28h total | 7.5h / 30h total |
| Water Resistance | IPX4 | — |
| THD | — | 0.08% at 94dB |
How they differ in real use
Built from our earbuds music 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 Music, at #1 (best overall) and #4. The most technically accomplished TWS for music—dual-driver design with magnetic fluid woofer delivers audiophile-grade sound with exceptional bass and clarity. Street price has also dropped to around $205, well under its $299.99 list. Natural, vocal-forward signature with aptX Lossless for CD-quality wireless streaming, now regularly discounted to around $179.
We score earbuds for music on Sound Quality (40%), Codec Support (20%), Soundstage (15%), Comfort (15%) and Value (10%). On that basis the Technics EAH-AZ100 totals 9.3 out of 10 and the Sennheiser Momentum True Wireless 4 8.8. The widest gap is Sound Quality, where the Technics EAH-AZ100 scores 9.5 against 8.9 for the Sennheiser Momentum True Wireless 4 — driver technology and tuning. Value also separates them: 9 for the Technics EAH-AZ100 versus 8 for the Sennheiser Momentum True Wireless 4.
On paper, the specifications that actually differ: Driver — 10mm magnetic fluid, aluminum diaphragm on the Technics EAH-AZ100 versus 7mm TrueResponse transducer on the Sennheiser Momentum True Wireless 4; Frequency Response — 3Hz-40kHz on the Technics EAH-AZ100 versus 5Hz-21kHz on the Sennheiser Momentum True Wireless 4; Codecs — LDAC, AAC, SBC, LC3 on the Technics EAH-AZ100 versus aptX Lossless, aptX Adaptive, AAC, LC3 on the Sennheiser Momentum True Wireless 4; Battery — 10h / 28h total on the Technics EAH-AZ100 versus 7.5h / 30h total on the Sennheiser Momentum True Wireless 4.
Pricing as of August 5, 2026: $205 for the Technics EAH-AZ100 and $179 for the Sennheiser Momentum True Wireless 4, a $26 difference in the Sennheiser Momentum True Wireless 4's favor. Owners praise the Technics EAH-AZ100 for 10mm magnetic fluid drivers and 3-way multipoint (industry first); the most common complaint is comfort limited to ~3 hours for some. Owners praise the Sennheiser Momentum True Wireless 4 for 7mm TrueResponse transducers and 0.08% THD (among lowest tested); the most common complaint is expensive.
Technics EAH-AZ100
- 10mm magnetic fluid drivers
- 3-way multipoint (industry first)
- Reference-grade transparency
- LDAC and LC3 (LE Audio) support
- Comfort limited to ~3 hours for some
- ANC trails Apple's implementation
- Premium price
Sennheiser Momentum True Wireless 4
- 7mm TrueResponse transducers
- 0.08% THD (among lowest tested)
- aptX Lossless support
- Best transparency mode in class
- Expensive
- Bulkier than competitors
- App could be better
Which should you buy?
The Technics EAH-AZ100 is the better fit for audiophiles and multi-device users — it is the higher-scoring pick here, chiefly for Sound Quality and Value. The Sennheiser Momentum True Wireless 4 is the better fit for vocal and acoustic enthusiasts and those wanting natural timbre. If the $26 saving matters more than Sound Quality, the Sennheiser Momentum True Wireless 4 is the better value. The Technics EAH-AZ100 is a poor fit for those with small ears; the Sennheiser Momentum True Wireless 4 is a poor fit for budget shoppers.
Choose the Technics EAH-AZ100 if
- Audiophiles
- Multi-device users
- Critical listeners
Skip it if
- Those with small ears
- ANC-priority users
Choose the Sennheiser Momentum True Wireless 4 if
- Vocal and acoustic enthusiasts
- Those wanting natural timbre
- CD-quality streaming
Skip it if
- Budget shoppers
- Those wanting smallest earbuds
Common questions
Is the Technics EAH-AZ100 better than the Sennheiser Momentum True Wireless 4?
In our Earbuds for Music ranking the Technics EAH-AZ100 scores higher overall, 9.3 to 8.8, with the biggest advantage in Sound Quality. The Sennheiser Momentum True Wireless 4 does not out-score it on any criterion we weigh.
How much more does the Technics EAH-AZ100 cost than the Sennheiser Momentum True Wireless 4?
$26 more as of August 5, 2026: $205 for the Technics EAH-AZ100 against $179 for the Sennheiser Momentum True Wireless 4. Prices move, so the merchant page shows the current figure. What the extra buys is mostly Sound Quality — 9.5 versus 8.9 in our scoring.
What is the main difference between the Technics EAH-AZ100 and the Sennheiser Momentum True Wireless 4?
The headline spec difference is Driver: 10mm magnetic fluid, aluminum diaphragm on the Technics EAH-AZ100 versus 7mm TrueResponse transducer on the Sennheiser Momentum True Wireless 4. In use, the gap that matters most is Sound Quality (9.5 vs 8.9 in our scoring): driver technology and tuning.