Bose QuietComfort Ultra Earbuds (2nd Gen) vs Technics EAH-AZ100
Bose QuietComfort Ultra Earbuds (2nd Gen) (#4) vs Technics EAH-AZ100 (#5): in our Earbuds for Conferencing scoring the Bose QuietComfort Ultra Earbuds (2nd Gen) totals 8.9/10 and the Technics EAH-AZ100 8.8/10. At $249 versus $247.99, the Technics EAH-AZ100 costs $1.01 less.
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TopsFive comparison scores
Side by side
| Bose QuietComfort Ultra Earbuds (2nd Gen) | Technics EAH-AZ100 | |
|---|---|---|
| Price | $249 | $247.99 |
| Microphones | 8 total | — |
| Codecs | SBC, AAC, aptX Adaptive | LDAC, AAC, LC3 |
| Battery | 6h / 24h total | 10h / 28h total |
| ANC | Best-in-class | — |
| Multipoint | 2 devices | 3-way (PC + laptop + phone) |
| Features | — | Voice Focus AI (bidirectional) |
How they differ in real use
Built from our earbuds conferencing scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Bose QuietComfort Ultra Earbuds (2nd Gen) and the Technics EAH-AZ100 made our Top 5 Earbuds for Conferencing, at #4 and #5. Best ANC for noisy environments—ideal for coffee shops, airports, and open offices. Premium all-rounder with 3-device multipoint and incoming call enhancement—best for multi-device professionals.
We score earbuds for conferencing on Microphone Quality (35%), ANC Performance (25%), Comfort (20%), Connectivity (10%) and Battery Life (10%). On that basis the Bose QuietComfort Ultra Earbuds (2nd Gen) totals 8.9 out of 10 and the Technics EAH-AZ100 8.8. The widest gap is ANC Performance, where the Bose QuietComfort Ultra Earbuds (2nd Gen) scores 10 against 8.5 for the Technics EAH-AZ100 — background noise blocking. Microphone Quality also separates them: 9 for the Technics EAH-AZ100 versus 8.4 for the Bose QuietComfort Ultra Earbuds (2nd Gen). The Technics EAH-AZ100 claws back ground on Connectivity.
On paper, the specifications that actually differ: Codecs — SBC, AAC, aptX Adaptive on the Bose QuietComfort Ultra Earbuds (2nd Gen) versus LDAC, AAC, LC3 on the Technics EAH-AZ100; Battery — 6h / 24h total on the Bose QuietComfort Ultra Earbuds (2nd Gen) versus 10h / 28h total on the Technics EAH-AZ100; Multipoint — 2 devices on the Bose QuietComfort Ultra Earbuds (2nd Gen) versus 3-way (PC + laptop + phone) on the Technics EAH-AZ100.
Pricing as of August 12, 2026: $249 for the Bose QuietComfort Ultra Earbuds (2nd Gen) and $247.99 for the Technics EAH-AZ100, a $1.01 difference in the Technics EAH-AZ100's favor. Owners praise the Bose QuietComfort Ultra Earbuds (2nd Gen) for best-in-class ANC and 8 microphones; the most common complaint is no boom microphone. Owners praise the Technics EAH-AZ100 for 3-way multipoint (industry only) and voice Focus AI (bidirectional); the most common complaint is some report 'choppy' voice in certain conditions.
Bose QuietComfort Ultra Earbuds (2nd Gen)
- Best-in-class ANC
- 8 microphones
- AI SpeechClarity technology
- aptX Adaptive support
- No boom microphone
- 6h battery only
- Expensive
Technics EAH-AZ100
- 3-way multipoint (industry only)
- Voice Focus AI (bidirectional)
- 10h battery
- Incoming call audio enhancement
- Some report 'choppy' voice in certain conditions
- ANC not best-in-class
- Premium price
Which should you buy?
The Bose QuietComfort Ultra Earbuds (2nd Gen) is the better fit for noisy environment workers and coffee shop/airport callers — it is the higher-scoring pick here, chiefly for ANC Performance. The Technics EAH-AZ100 is the better fit for multi-device professionals and those wanting incoming call enhancement, and the stronger choice if Microphone Quality and Connectivity matter more to you than the overall score. If the $1.01 saving matters more than ANC Performance, the Technics EAH-AZ100 is the better value. The Bose QuietComfort Ultra Earbuds (2nd Gen) is a poor fit for those needing best call quality; the Technics EAH-AZ100 is a poor fit for single-device users.
Choose the Bose QuietComfort Ultra Earbuds (2nd Gen) if
- Noisy environment workers
- Coffee shop/airport callers
- ANC-priority users
Skip it if
- Those needing best call quality
- Budget shoppers
Choose the Technics EAH-AZ100 if
- Multi-device professionals
- Those wanting incoming call enhancement
- Premium all-rounders
Skip it if
- Single-device users
- Budget shoppers
Common questions
Is the Bose QuietComfort Ultra Earbuds (2nd Gen) better than the Technics EAH-AZ100?
In our Earbuds for Conferencing ranking the Bose QuietComfort Ultra Earbuds (2nd Gen) scores higher overall, 8.9 to 8.8, with the biggest advantage in ANC Performance. The Technics EAH-AZ100 is stronger on Microphone Quality and Connectivity, so it is the better pick if those matter most to you.
How much more does the Bose QuietComfort Ultra Earbuds (2nd Gen) cost than the Technics EAH-AZ100?
$1.01 more as of August 12, 2026: $249 for the Bose QuietComfort Ultra Earbuds (2nd Gen) against $247.99 for the Technics EAH-AZ100. Prices move, so the merchant page shows the current figure. What the extra buys is mostly ANC Performance — 10 versus 8.5 in our scoring.
What is the main difference between the Bose QuietComfort Ultra Earbuds (2nd Gen) and the Technics EAH-AZ100?
The headline spec difference is Codecs: SBC, AAC, aptX Adaptive on the Bose QuietComfort Ultra Earbuds (2nd Gen) versus LDAC, AAC, LC3 on the Technics EAH-AZ100. In use, the gap that matters most is ANC Performance (10 vs 8.5 in our scoring): background noise blocking.