Short answer: the Sennheiser Momentum True Wireless 5, though neither ranks well in its class. It ranks #1094 of 1291 in-ear headphones by sound quality, rated 2.5/5, at $299.95; the Technics EAH-AZ100 ranks #1115, rated 2.4/5, at $297.99. With prices this close, go by the sound-quality ranking rather than the cost. Both are rated below 3.0/5 among the 1291 in-ear headphones, and the Truthear Nova, ranked #2 at $169.99, is a better place to start if sound quality matters.
What the Sennheiser Momentum True Wireless 5 does well: These true wireless earbuds offer active noise cancelling, Bluetooth 6.0 and codec support for SBC, AAC, aptX and aptX Lossless. The tradeoff: Two hobbyist measurements give it a preference score of only 56, driven by a 9.8 dB dip near 5.3 kHz and presence nearly 8 dB below target that make vocals and instruments sound veiled and distant.
What the Technics EAH-AZ100 does well: These true wireless earbuds offer active noise cancelling, Bluetooth 5.3 with LDAC and AAC, a claimed 10 hours of battery per charge and IPX4 splash resistance. It supports LDAC Bluetooth, which the Sennheiser Momentum True Wireless 5 lacks. The tradeoff: In two hobbyist measurements on squig.link it scores only 53.6 for Harman preference with a 3.2 dB deviation.
Buy the Sennheiser Momentum True Wireless 5. It is rated higher for sound quality, and the $1.96 saving on the Technics EAH-AZ100 is not enough to make up the difference.
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These true wireless earbuds offer active noise cancelling, Bluetooth 6.0 and codec support for SBC, AAC, aptX and aptX Lossless.
Amazon $299.95 eBay
These true wireless earbuds offer active noise cancelling, Bluetooth 5.3 with LDAC and AAC, a claimed 10 hours of battery per charge and IPX4 splash resistance.
Amazon $297.99 eBayPrices on this page were last checked October 16, 2026 at 5:46 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| Sennheiser Momentum True Wireless 5 | Technics EAH-AZ100 | |
|---|---|---|
| Price | $299.95 | $297.99 |
| Ranked | #1094 of 1291 in In-Ear Headphones | #1115 of 1291 in In-Ear Headphones |
| Form Factor | In-ear | In-ear |
| Back | Closed | Closed |
| Harman Preference Score | 56 (median of 2 squig.link measurements, calibrated to AutoEQ) | 54 (median of 2 squig.link measurements, calibrated to AutoEQ) |
| Deviation From Target | 3.26 dB standard deviation | 3.20 dB standard deviation |
| Tonal Tilt | -1.14 (negative is warmer, positive brighter) | -1.30 (negative is warmer, positive brighter) |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+0.2 dB at 30 Hz) | Within 6 dB of target down to 20 Hz (+2.3 dB at 30 Hz) |
| Connection | True wireless | True wireless |
| Driver Type | Dynamic | - |
| Drivers | 1 x 7mm dynamic | 1 x 10mm |
| Sensitivity | 107 dB (1 kHz/1 mW) | - |
| Weight | 0 lbs (7 g) per earbud | 0 lbs (5.9 g) per earbud |
| Frequency Response | 5Hz - 21kHz (Manufacturer specified) | 20Hz - 40kHz (Manufacturer specified) |
| Active Noise Cancelling | Yes | Yes |
| Battery Life | 12 hours (40 with case, Manufacturer specified) | 10 hours (Manufacturer specified) |
| Bluetooth Version | 6.0 | 5.3 |
| Bluetooth Codecs | SBC, AAC, aptX, aptX Lossless | SBC, AAC, LDAC |
| Built-in Microphone | Yes | Yes |
| IP Rating | IP54 | IPX4 |
Frequency Response Compared
Both headphones’ measurements overlaid on the Harman target. Above the target sounds louder in that range, below it quieter. Each curve is the median of several independent measurements, shifted so its 500 Hz to 2 kHz average sits at 0 dB, so only the tuning is compared.
Measurement data: the Sennheiser Momentum True Wireless 5 from bloomaudio, dhrme and fernandagunsan; the Technics EAH-AZ100 from aden, dhrme and elrics, all via squig.link.
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