Bowers & Wilkins Px8 S2 vs Sennheiser HDB 630
Bowers & Wilkins Px8 S2 (#3, best premium) vs Sennheiser HDB 630 (#4): in our Over-ear Wireless Headphones for Music scoring the Bowers & Wilkins Px8 S2 totals 8.5/10 and the Sennheiser HDB 630 8.4/10. At $799 versus $499, the Sennheiser HDB 630 costs $300 less.
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TopsFive comparison scores
Side by side
| Bowers & Wilkins Px8 S2 | Sennheiser HDB 630 | |
|---|---|---|
| Price | $799 | $499 |
| Driver Size | 40mm carbon cone | 42mm dynamic |
| Connectivity | Bluetooth 5.4 with aptX Lossless | Bluetooth 5.2 with aptX Adaptive, USB dongle |
| ANC | Adaptive noise cancellation | Adaptive noise cancellation |
| Weight | 320g | 325g |
| Battery | 30 hours | 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 Bowers & Wilkins Px8 S2 and the Sennheiser HDB 630 made our Top 5 Over-ear Wireless Headphones for Music, at #3 (best premium) and #4. Premium build and sound quality with 24-bit/96kHz wireless audio via aptX Lossless. Luxury Nappa leather materials and replaceable pads make it the audiophile's wireless choice. 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 Bowers & Wilkins Px8 S2 totals 8.5 out of 10 and the Sennheiser HDB 630 8.4. The widest gap is ANC Performance, where the Bowers & Wilkins Px8 S2 scores 8 against 7.5 for the Sennheiser HDB 630 — noise cancellation effectiveness. Comfort also separates them: 8.5 for the Bowers & Wilkins Px8 S2 versus 8 for the Sennheiser HDB 630. The Sennheiser HDB 630 claws back ground on Value.
On paper, the specifications that actually differ: Driver Size — 40mm carbon cone on the Bowers & Wilkins Px8 S2 versus 42mm dynamic on the Sennheiser HDB 630; Connectivity — Bluetooth 5.4 with aptX Lossless on the Bowers & Wilkins Px8 S2 versus Bluetooth 5.2 with aptX Adaptive, USB dongle on the Sennheiser HDB 630; Weight — 320g on the Bowers & Wilkins Px8 S2 versus 325g on the Sennheiser HDB 630; Battery — 30 hours on the Bowers & Wilkins Px8 S2 versus 37 hours on the Sennheiser HDB 630. They match on ANC.
Pricing as of February 8, 2026: $799 for the Bowers & Wilkins Px8 S2 and $499 for the Sennheiser HDB 630, a $300 difference in the Sennheiser HDB 630's favor. Owners praise the Bowers & Wilkins Px8 S2 for 24-bit/96kHz wireless audio and aptX Adaptive & Lossless support; the most common complaint is very expensive at $799. 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.
Bowers & Wilkins Px8 S2
- 24-bit/96kHz wireless audio
- aptX Adaptive & Lossless support
- Premium Nappa leather build
- Replaceable pads and headband
- Very expensive at $799
- ANC not class-leading
- Heavy for a wireless headphone
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 Bowers & Wilkins Px8 S2 is the better fit for audiophiles wanting wireless and refined sound and craftsmanship seekers — 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 Value matters more to you than the overall score. If the $300 saving matters more than ANC Performance, the Sennheiser HDB 630 is the better value. The Bowers & Wilkins Px8 S2 is a poor fit for budget shoppers; the Sennheiser HDB 630 is a poor fit for ANC priority buyers.
Choose the Bowers & Wilkins Px8 S2 if
- Audiophiles wanting wireless
- Refined sound and craftsmanship seekers
- Hi-res music listeners
Skip it if
- Budget shoppers
- Those prioritizing ANC over sound
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 Bowers & Wilkins Px8 S2 better than the Sennheiser HDB 630?
In our Over-ear Wireless Headphones for Music ranking the Bowers & Wilkins Px8 S2 scores higher overall, 8.5 to 8.4, with the biggest advantage in ANC Performance. The Sennheiser HDB 630 is stronger on Value, so it is the better pick if that matters most to you.
How much more does the Bowers & Wilkins Px8 S2 cost than the Sennheiser HDB 630?
$300 more as of February 8, 2026: $799 for the Bowers & Wilkins Px8 S2 against $499 for the Sennheiser HDB 630. Prices move, so the merchant page shows the current figure. What the extra buys is mostly ANC Performance — 8 versus 7.5 in our scoring.
What is the main difference between the Bowers & Wilkins Px8 S2 and the Sennheiser HDB 630?
The headline spec difference is Driver Size: 40mm carbon cone on the Bowers & Wilkins Px8 S2 versus 42mm dynamic on the Sennheiser HDB 630. In use, the gap that matters most is ANC Performance (8 vs 7.5 in our scoring): noise cancellation effectiveness.