Bose QuietComfort Ultra Earbuds vs Technics EAH-AZ80 — Which Should You Buy?
Side-by-side comparison of Bose QuietComfort Ultra Earbuds and Technics EAH-AZ80. We compare specs, performance, and value to help you decide.
Feature Comparison
| Feature | Bose QuietComfort Ultra Earbuds | Technics EAH-AZ80 |
|---|---|---|
| Driver Size | Custom Bose | 10mm |
| ANC | Yes (CustomTune) | Yes |
| Battery Life (Buds) | 6 hours (ANC on) | 6 hours (ANC on) |
| Battery Life (Case) | 24 hours total | 24 hours total |
| Bluetooth | 5.3 | 5.2 |
| Water Resistance | IPX4 | IPX4 |
| Codec Support | AAC, SBC | LDAC, aptX Adaptive, AAC, SBC |
| Wireless Charging | No | No |
| Multipoint | Yes (2 devices) | Yes (2 devices) |
| Weight (per bud) | 6.2g | 7g |
Bose QuietComfort Ultra Earbuds
Pros
- ✓CustomTune personalizes sound and ANC
- ✓Outstanding ANC performance
- ✓Immersive Audio for spatial listening
- ✓Secure, comfortable fit
- ✓IPX4 sweat resistance
- ✓Stable Bluetooth connection
- ✓Premium Bose build quality
Cons
- ✗No LDAC or aptX
- ✗Case lacks wireless charging
- ✗Battery life average for class
Technics EAH-AZ80
Pros
- ✓Precise, detailed sound quality
- ✓LDAC and aptX Adaptive support
- ✓JustMyVoice for clear calls
- ✓Effective ANC
- ✓Multipoint (2 devices)
- ✓Comfortable, secure fit
- ✓Premium build
Cons
- ✗No wireless charging
- ✗Battery life moderate with LDAC
- ✗Less bass than consumer-focused options
Our Verdict
Bose QuietComfort Ultra Earbuds
Bose QuietComfort Ultra Earbuds deliver the ANC performance the brand is known for in a true wireless package. CustomTune is genuinely useful, and Immersive Audio adds a unique dimension. Worth considering if you prioritize ANC and spatial audio over codec support.
Special Deal Available — See OfferTechnics EAH-AZ80
Technics EAH-AZ80 offer audiophile-grade sound with LDAC and aptX Adaptive in a true wireless package. The tuning is more neutral and precise than consumer-focused options. Ideal for music lovers who stream high-res and want the best wireless fidelity.
Special Deal Available — See OfferOur Methodology
We test each pair of wireless earbuds for at least 2 weeks across commuting, gym, and office scenarios. We measure ANC effectiveness with a calibrated SPL meter, battery life under continuous playback at 50% volume, and latency using specialized audio tools. No brand has editorial influence over our rankings.
Related Comparisons
Best Wireless Earbuds of 2026 — Tested and Ranked
Our ranked list of the best wireless earbuds for 2026. ANC, sound quality, battery life, and value. No manufacturer influence.
OverviewWireless Earbuds Comparison Table — Features Side by Side
Compare wireless earbuds side by side. ANC, codecs, battery life, and fit. Find the right earbuds for your lifestyle.
CompareCompare EarbudsPick Products — Pick Two to Compare
Choose any two products to see a detailed side-by-side comparison. Compare specs, features, and value.
Head to HeadApple AirPods Pro 2 (USB-C) vs Bose QuietComfort Ultra Earbuds — Which Should You Buy?
Side-by-side comparison of Apple AirPods Pro 2 (USB-C) and Bose QuietComfort Ultra Earbuds. We compare specs, performance, and value to help you decide.
Head to HeadApple AirPods Pro 2 (USB-C) vs Technics EAH-AZ80 — Which Should You Buy?
Side-by-side comparison of Apple AirPods Pro 2 (USB-C) and Technics EAH-AZ80. We compare specs, performance, and value to help you decide.
Head to HeadSony WF-1000XM5 vs Bose QuietComfort Ultra Earbuds — Which Should You Buy?
Side-by-side comparison of Sony WF-1000XM5 and Bose QuietComfort Ultra Earbuds. We compare specs, performance, and value to help you decide.
Head to HeadSony WF-1000XM5 vs Technics EAH-AZ80 — Which Should You Buy?
Side-by-side comparison of Sony WF-1000XM5 and Technics EAH-AZ80. We compare specs, performance, and value to help you decide.