Sennheiser HDB 630
Nothing Headphone Pro B175
What Buyers Say
Sennheiser HDB 630
The Sennheiser HDB 630 headphones are praised for their exceptional sound quality, delivering a clean, neutral, and detailed audio experience that rivals wired audiophile setups. Users highlight excellent comfort for long sessions, impressive battery life, and useful features like parametric EQ and crossfeed. While the ANC is decent but not class-leading, and the touch controls can be finicky, the overall sentiment is very positive, with many considering them a top choice for serious listeners.
Pros
- Exceptional sound quality
- Excellent comfort for long sessions
- Impressive battery life
- Useful parametric EQ and crossfeed
- Good build quality
Cons
- ANC not class-leading
- Touch controls can be finicky
- Plasticky build feel
- Plain aesthetics
- Double-tap ANC/transparency UX issue
Nothing Headphone Pro B175
The CMF by Nothing headphones are widely praised for their exceptional value at around $80, offering premium build quality, comfortable fit, and impressive sound with deep bass and clear mids/highs. Active noise cancellation is effective for the price, though not top-tier, and battery life is excellent. Minor drawbacks include a soft carrying pouch instead of a hard case, a slightly bulky design, and a volume scroll wheel that adjusts in 6% increments. Overall, users strongly recommend them as a budget-friendly alternative to high-end models like Sony XM4/XM5.
Pros
- Exceptional value for money
- Premium build quality and design
- Comfortable for long wear
- Deep, punchy bass with clear mids/highs
- Effective ANC for the price
Cons
- Soft carrying pouch instead of hard case
- Slightly bulky design
- Volume wheel adjusts in 6% increments
- ANC not top-tier
- Cushioning may lose shape over time
Scores
Specifications
| Sennheiser HDB 630 | Nothing Headphone Pro B175 | |
|---|---|---|
| Design | ||
| Form Factor | over-ear | over-ear |
| Open/Closed | closed | closed |
| Foldable | ✓★ | ✗ |
| Weight | 0.31 kg | 0.28 kg★ |
| Ear Cushion | synthetic leatherette | memory foam |
| Headband | Japanese leatherette | cap-friendly |
| Audio | ||
| Driver Type | dynamic | dynamic |
| Driver Size | 42 mm★ | 40 mm |
| Drivers | 1★ | — |
| Freq Min | 6 Hz★ | — |
| Freq Max | 40 kHz★ | — |
| Impedance | 480 Ω | — |
| Sensitivity | 105 dB★ | — |
| Hi-Res Audio | ✓ | ✓ |
| Codecs | aptX HD, aptX Adaptive | LDAC |
| Surround | Sennheiser HDB 630 Wireless Over-Ear Headphones - Hi-Res Audiophile Sound, Adaptive Noise Cancellation, Parametric EQ, 60 Hour Battery Life, Includes USB-C Low-Latency Bluetooth Adapter - Black | Senn | Spatial Audio |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | hybrid adaptive | Adaptive |
| Transparency | ✓ | ✓ |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 5.2 | 5.4★ |
| Profiles | A2DP, AVRCP, HFP | — |
| Multipoint | ✓ | ✓ |
| Wired Connector | USB-C | 3.5mm |
| Detachable Cable | ✓★ | — |
| Cable Length | 1.2000000476837158 m | — |
| Battery | ||
| Battery Life | 60 hrs★ | 50 hrs |
| Charge Time | 2 hrs★ | — |
| Fast Charging | 10 min for 7 hours playback | 5 mins for up to 4 hrs of playtime |
| Charging | USB-C | USB-C |
| Capacity | 700 mAh★ | — |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 4★ | 3 |
| NC Mic | ✓ | ✓ |
| Boom Mic | ✗ | ✗ |
| Detachable Mic | ✗ | — |
| Features | ||
| Voice Assistant | voice assistant | Google Fast Pair & Microsoft Swift Pair |
| Touch Controls | ✓★ | — |
| App | Sennheiser Sound Control Plus | Nothing X |
| Volume Limiting | ✗ | — |
| Gaming Mode | ✓★ | — |
Pros & Cons
Sennheiser HDB 630
- Strong connectivity (98th percentile)98th %ile
- Strong anc (98th percentile)98th %ile
- Strong sound (98th percentile)98th %ile
- Strong social proof (95th percentile)95th %ile
Nothing Headphone Pro B175
- Strong anc (98th percentile)98th %ile
- Strong connectivity (94th percentile)94th %ile
- Strong sound (94th percentile)94th %ile
- Strong social proof (90th percentile)90th %ile
- Below average build (34th percentile)
Verdict
Scores 100 overall, wins 6 of 7 usage categories and 13 of 41 specs.