Bose QuietComfort Ultra Headphones vs Sennheiser HDB 630
Bose QuietComfort Ultra Headphones (#2) vs Sennheiser HDB 630 (#4): in our Over-ear Wireless Headphones for Music scoring the Bose QuietComfort Ultra Headphones totals 8.9/10 and the Sennheiser HDB 630 8.4/10. At $300 versus $499, the Bose QuietComfort Ultra Headphones costs $199 less.
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TopsFive comparison scores
Side by side
| Bose QuietComfort Ultra Headphones | Sennheiser HDB 630 | |
|---|---|---|
| Price | $300 | $499 |
| Driver Size | 35mm | 42mm dynamic |
| Connectivity | Bluetooth 5.3 with aptX Adaptive | Bluetooth 5.2 with aptX Adaptive, USB dongle |
| ANC | CustomTune technology | Adaptive noise cancellation |
| Weight | 250g | 325g |
| Battery | 24 hours with ANC | 37 hours |
How they differ in real use
Built from our over ear wireless scoring, each product's published specifications, and verified owner feedback — not hands-on testing.
Both the Bose QuietComfort Ultra Headphones and the Sennheiser HDB 630 made our Top 5 Over-ear Wireless Headphones for Music, at #2 and #4. Often leads in noise cancellation performance and comfort. Deep bass response and plush earcups make it ideal for immersive, dynamic music playback in noisy environments. Compelling choice for sound purists with powerful dynamics and hi-fi tuning rivaling much more expensive models. Advanced Bluetooth codecs with dongle support deliver smooth tonal balance.
We score over-ear wireless headphones for music on Sound Quality (30%), ANC Performance (25%), Comfort (20%), Battery Life (15%) and Value (10%). On that basis the Bose QuietComfort Ultra Headphones totals 8.9 out of 10 and the Sennheiser HDB 630 8.4. The widest gap is ANC Performance, where the Bose QuietComfort Ultra Headphones scores 10 against 7.5 for the Sennheiser HDB 630 — noise cancellation effectiveness. Sound Quality also separates them: 9.5 for the Sennheiser HDB 630 versus 8.5 for the Bose QuietComfort Ultra Headphones. The Sennheiser HDB 630 claws back ground on Battery Life.
On paper, the specifications that actually differ: Driver Size — 35mm on the Bose QuietComfort Ultra Headphones versus 42mm dynamic on the Sennheiser HDB 630; Connectivity — Bluetooth 5.3 with aptX Adaptive on the Bose QuietComfort Ultra Headphones versus Bluetooth 5.2 with aptX Adaptive, USB dongle on the Sennheiser HDB 630; ANC — CustomTune technology on the Bose QuietComfort Ultra Headphones versus Adaptive noise cancellation on the Sennheiser HDB 630; Weight — 250g on the Bose QuietComfort Ultra Headphones versus 325g on the Sennheiser HDB 630; Battery — 24 hours with ANC on the Bose QuietComfort Ultra Headphones versus 37 hours on the Sennheiser HDB 630.
Pricing as of February 8, 2026: $300 for the Bose QuietComfort Ultra Headphones and $499 for the Sennheiser HDB 630, a $199 difference in the Bose QuietComfort Ultra Headphones's favor. Owners praise the Bose QuietComfort Ultra Headphones for top-tier ANC performance and deep bass response; the most common complaint is slightly warm sound signature. Owners praise the Sennheiser HDB 630 for hi-fi tuning rivals wired models and advanced Bluetooth codecs with dongle; the most common complaint is premium price at $500.
Bose QuietComfort Ultra Headphones
- Top-tier ANC performance
- Deep bass response
- Plush earcups for all-day comfort
- Immersive Audio spatial mode
- Slightly warm sound signature
- No high-res codec support (no LDAC)
- 24-hour battery shorter than competitors
Sennheiser HDB 630
- Hi-fi tuning rivals wired models
- Advanced Bluetooth codecs with dongle
- Smooth tonal balance
- Long playtime
- Premium price at $500
- ANC not as strong as Sony/Bose
- Bulkier design
Which should you buy?
The Bose QuietComfort Ultra Headphones is the better fit for listeners wanting top-tier ANC and bass lovers — it is the higher-scoring pick here, chiefly for ANC Performance and Comfort. The Sennheiser HDB 630 is the better fit for audiophiles focused on musical fidelity and sound purists wanting wireless, and the stronger choice if Sound Quality and Battery Life matter more to you than the overall score. Since the Bose QuietComfort Ultra Headphones is both the higher scorer and $199 cheaper, the Sennheiser HDB 630 only makes sense for audiophiles focused on musical fidelity. The Bose QuietComfort Ultra Headphones is a poor fit for hi-res audio purists; the Sennheiser HDB 630 is a poor fit for ANC priority buyers.
Choose the Bose QuietComfort Ultra Headphones if
- Listeners wanting top-tier ANC
- Bass lovers
- All-day comfort seekers
Skip it if
- Hi-res audio purists
- Those needing LDAC
Choose the Sennheiser HDB 630 if
- Audiophiles focused on musical fidelity
- Sound purists wanting wireless
- Those valuing tonal accuracy
Skip it if
- ANC priority buyers
- Budget shoppers
Common questions
Is the Bose QuietComfort Ultra Headphones better than the Sennheiser HDB 630?
In our Over-ear Wireless Headphones for Music ranking the Bose QuietComfort Ultra Headphones scores higher overall, 8.9 to 8.4, with the biggest advantage in ANC Performance. The Sennheiser HDB 630 is stronger on Sound Quality and Battery Life, so it is the better pick if those matter most to you.
How much more does the Sennheiser HDB 630 cost than the Bose QuietComfort Ultra Headphones?
$199 more as of February 8, 2026: $499 for the Sennheiser HDB 630 against $300 for the Bose QuietComfort Ultra Headphones. Prices move, so the merchant page shows the current figure.
What is the main difference between the Bose QuietComfort Ultra Headphones and the Sennheiser HDB 630?
The headline spec difference is Driver Size: 35mm on the Bose QuietComfort Ultra Headphones versus 42mm dynamic on the Sennheiser HDB 630. In use, the gap that matters most is ANC Performance (10 vs 7.5 in our scoring): noise cancellation effectiveness.