Google Pixel Buds Pro vs Sennheiser HD 660S2
The Verdict
Google Pixel Buds Pro and Sennheiser HD 660S2 serve entirely different use cases and listener profiles. Pixel Buds Pro are wireless earbuds delivering 7 hours of ANC-enabled playback with seamless Google ecosystem integration, real-time translation, and multipoint connectivity for $199. Sound quality is solid with custom 11mm drivers tuned for balanced listening across volumes. Sennheiser HD 660S2 represents premium audiophile territory: wired-only, 300-ohm open-back cans requiring dedicated amplification to shine. Handcrafted in Germany with replaceable components, these deliver exceptional soundstage and detail for critical listeners but demand $499 and a stationary setup. Choose Pixel Buds Pro for convenient, feature-rich portable listening. Select HD 660S2 if you're a serious audiophile with desktop monitoring or studio needs willing to invest in proper amplification.
Who Should Buy
Buy the Google Pixel Buds Pro if…
- →Excellent ANC (Silent Seal) adapts to ear canal for effective noise blocking
- →Multipoint Bluetooth connects to two devices seamlessly
- →Google Assistant integration with hands-free voice commands
Buy the Sennheiser HD 660S2 if…
- →Reference-grade sound with improved bass over the original HD 660S
- →Both 6.35mm and 4.4mm balanced cables included in the box
- →Open-back design creates a wide, natural soundstage
Category Scores
Pros & Cons
Google Pixel Buds Pro
Pros
- Excellent ANC (Silent Seal) adapts to ear canal for effective noise blocking
- Multipoint Bluetooth connects to two devices seamlessly
- Google Assistant integration with hands-free voice commands
- 7-hour battery with ANC is strong — 31 hours total with case
- Comfortable secure fit with multiple ear tip sizes
Cons
- Limited to AAC and SBC codecs — no LDAC or aptX
- ANC can produce some wind noise in outdoor use
- Bluetooth 5.0 instead of newer 5.2 or 5.3
- Touch controls can be overly sensitive
- IPX4 is basic water resistance — not suitable for swimming
Sennheiser HD 660S2
Pros
- Reference-grade sound with improved bass over the original HD 660S
- Both 6.35mm and 4.4mm balanced cables included in the box
- Open-back design creates a wide, natural soundstage
- Lightweight at 260 g for an audiophile over-ear
- Replaceable parts make it a long-term investment
Cons
- 300-ohm impedance requires a dedicated amp/DAC to drive properly
- Wired only — no Bluetooth option
- Open-back leaks significant sound — not for shared spaces
- $499 is steep for headphones that need additional equipment
Full Specifications
| Spec | Google Pixel Buds Pro | Sennheiser HD 660S2 |
|---|---|---|
| Active Noise Cancelling | ||
| Type | in-ear | over-ear |
| Weight | 6.2 g (each) | 260 g |
| Battery | ||
| Battery life | 7 hrs (ANC on), 11 hrs (ANC off), 31 hrs total with case | N/A (wired) |
| Charging | USB-C, Qi wireless | N/A |
| Drivers | Custom 11mm dynamic driver | 42mm dynamic transducer, 300 ohm impedance |
| Features | Silent Seal active noise cancellation, Google Assistant with hands-free activation, Multipoint Bluetooth, Volume EQ for balanced sound at all levels, Real-time translation through Google Translate | Open-back audiophile design, 300-ohm impedance for dedicated amp/DAC use, Balanced 4.4mm Pentaconn cable included, Replaceable ear pads and cables, Handmade in Germany |
| Connectivity | ||
| Wired option | ||
| Codecs | AAC, SBC | |
| Bluetooth | 5.0 | None (wired only) |
| Multipoint | ||
| Water Resistance | IPX4 | None |
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This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in headphones, see all Google products or all Sennheiser products. View full details for the Google Pixel Buds Pro or the Sennheiser HD 660S2.