Sony WH-1000XM6 vs Sennheiser HD 660S2
Verdict
Our overall take, at a glance
Key takeaways
- Sony WH-1000XM6 leads Sennheiser HD 660S2 overall by 56 points (87 vs 31 out of 100).
- Sony WH-1000XM6 stands out on Comfort & Build Weight: 254 g.
Sony WH-1000XM6 leads overall
Sony WH-1000XM6
87
Sennheiser HD 660S2
31
Why it stands out
- Comfort & Build Weight: 254 g
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
Sony WH-1000XM6
The Sony WH-1000XM6 is a premium set of over-ear wireless headphones designed for users seeking top-tier active noise cancellation and high-fidelity sound. This iteration introduces refreshed hardware design alongside new features like spatial audio upmixing and updated connectivity protocols. It targets commuters, frequent travelers, and audio enthusiasts looking for a highly capable daily listening device.
Best for Commuters and travelers requiring strong active noise cancellationBest for Listeners wanting spatial audio upmixing for music and moviesBest for Users seeking versatile wireless connectivity and ambient sound control
Pros
- Highly effective active noise cancellation for blocking out ambient environments
- New spatial audio upmixing capabilities for immersive sound experiences
- Upgraded wireless connectivity options and improved ambient sound mode
Cons
- Potential fit or comfort issues depending on individual head shape and the new design
- Occasional compatibility issues when using the high-resolution LDAC codec
- Premium price tag that requires a significant financial investment
Sennheiser HD 660S2
The Sennheiser HD 660S2 is a reference headphone model known for its clear, detailed, and warm sound signature. The design includes rich black velour earpads, and the headphones are noted for being lightweight. It provides impressive vocal clarity in the midrange.
Best for vocal trackingBest for classical musicBest for rock
Pros
- Features a fuller and warmer bass response than the original HD 660S
- The sound is described as clear, crisp, and detailed without sounding overly analytical
- Provides excellent detail and separation, with vocals prominently featured
- Is noted for being comfortable for long listening sessions due to light weight and earpads
Cons
- Can have a rather tight clamping force out of the box
- May not be suitable for genres requiring extremely thunderous bass (e.g., EDM or rap)
Value for Money
Which is the better deal for the price
Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.
Sony WH-1000XM6
Sennheiser HD 660S2
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Sony WH-1000XM6Sennheiser HD 660S2
Sennheiser HD 660S2 is 6 g (2%) heavier than Sony WH-1000XM6.
Review Videos
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Detailed Specifications
The full spec sheet, side by side