Technics EAH-AZ100 Earbuds vs Bose QuietComfort Ultra Earbuds (2nd Gen)
Buy the Technics EAH-AZ100 for longer battery life, LDAC high-resolution audio and three-device multipoint. Buy the Bose QuietComfort Ultra Earbuds (2nd Gen) if you want Bose's adjustable noise cancelling and Immersive Audio. The Bose has traded between $170.00 (October 31, 2026) and $343.36 (October 29, 2026), so its price swings widely; check the current price before deciding.
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Technics EAH-AZ100 Earbuds
Reference Class Hi-Fi True Wireless Earbuds with Dolby Atmos and Noise Cancelling EAH-AZ100
Choose the Technics EAH-AZ100 if you want up to 29 hours with the case, LDAC and Dolby Atmos spatial audio, and switching between three devices.
Pros
- Up to 29 hours with the case, far more than the Bose
- LDAC and a 20 Hz–40 kHz range for high-resolution streaming
- Connects to three devices at once
- Dolby Atmos spatial audio with head tracking
- Five ear tip sizes, XS to L
Cons
- 2.5-hour charge time is slower than the Bose
What separates them
| Technics EAH-AZ100 Earbuds | Bose QuietComfort Ultra Earbuds (2nd Gen) | |
|---|---|---|
| Battery life with case | Up to 29 hours (NC off), 28 hours (NC on) | Up to 30 hours |
| Battery life per charge | About 10 hours AAC with NC on | 6 hours |
| High-resolution codec | LDAC up to 96 kHz/990 kbps | A2DP Bluetooth audio, no LDAC listed |
| Multipoint | Three devices with seamless switching | Not listed |
| Noise cancelling | Adaptive ANC that adjusts in real time | Adjustable ANC with Quiet and Aware modes |
| Spatial audio | Dolby Atmos with Dolby Head Tracking | Immersive Audio surround sound |
| Water resistance | IPX4 | IPX4 |
Price history
$343.36$170.00
- Technics EAH-AZ100 Earbuds: lowest $299.99 on Nov 5 at Amazon.
- Bose QuietComfort Ultra Earbuds (2nd Gen): lowest $170.00 on Oct 31 at eBay; $229.00 on Nov 5.
Prices at every store
Technics EAH-AZ100 Earbuds
- TechnicsCheck price at Technics
- AmazonCheck price at Amazon
- eBayCheck price at eBay
Bose QuietComfort Ultra Earbuds (2nd Gen)
- AdoramaCheck price at Adorama
- AmazonCheck price at Amazon
- Macy'sCheck price at Macy's
Specs compared
| Spec | Technics EAH-AZ100 Earbuds | Bose QuietComfort Ultra Earbuds (2nd Gen) |
|---|---|---|
| Headphone Cup Type | In-ear | In-ear |
| Body Part Use | Ears | Ear |
| Noise Cancellation Type | Active | Active |
| Max Battery Life | 29 hours (earbuds with charging case, NC OFF) | 30 hours |
| Recharge Time | 2.5 hours (charging case / USB) | 2 hours |
| Rechargeable Battery | Yes | Yes |
| Driver Size | 10 mm | 40 mm |
| Headphone Impedance | 32 ohm | 32 ohm |
| Sound Output | Stereo | Stereo |
| Audio Highlights | Dolby Atmos, Spatial audio |
Questions and answers
- Which has better battery life?
- The Bose lasts longer with the case, up to 30 hours versus 29 on the Technics. Per charge the Technics wins: about 10 hours with ANC on versus 6 for the Bose.
- Which is better for Android phones?
- The Technics, if your phone supports LDAC. It streams up to 96 kHz/990 kbps, and the Bose lists only standard A2DP audio.
- Is the Bose worth the extra money?
- Only if you want its adjustable noise cancelling and Immersive Audio. At its $170.00 low (October 31, 2026) it is easy to justify; near $343.36 the Technics is the better value.
- Which is better for calls?
- The Technics uses six microphones with Voice Focus AI and JustMyVoice. The Bose lists about 4 hours of talk time, so the Technics is the safer pick for long calls.
- Can I swim with either?
- No. Both are rated IPX4, which handles sweat and light rain but not submersion.
- Which connects to more devices at once?
- The Technics connects to three devices with seamless switching. Bose does not list multipoint for this model.
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