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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.

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TopsFive comparison scores

9.3 / 10
Technics EAH-AZ100
8.8 / 10
Sennheiser Momentum True Wireless 4

Side by side

Technics EAH-AZ100Sennheiser Momentum True Wireless 4
Driver10mm magnetic fluid, aluminum diaphragm7mm TrueResponse transducer
Frequency Response3Hz-40kHz5Hz-21kHz
CodecsLDAC, AAC, SBC, LC3aptX Lossless, aptX Adaptive, AAC, LC3
Battery10h / 28h total7.5h / 30h total
Water ResistanceIPX4—
THD—0.08% at 94dB
PriceCheck price →Check price →

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.

Check current pricing at the merchant links below. 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. 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
Check price at Amazon

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
Check price at Amazon

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.

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.

Check price: Technics EAH-AZ100Check price: Sennheiser Momentum True Wireless 4