Sennheiser HD 660S2 vs Category Average
Verdict
Our overall take, at a glance
Key takeaways
- Category Average leads Sennheiser HD 660S2 overall by 44 points (79 vs 35 out of 100).
- Category Average stands out on Audio Driver Size: 41 mm.
Category Average leads overall
Category Average
79
Sennheiser HD 660S2
35
Why it stands out
- Audio Driver Size: 41 mm
In-depth analysisAI
AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Jun 2026.
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)
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Sennheiser HD 660S2Category Average
Category Average is 27 g (10%) heavier than Sennheiser HD 660S2.
Review Videos
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Detailed Specifications
The full spec sheet, side by side