Based on our overall comparison score, Sennheiser HD 600 rates higher at 38/100 versus 35/100 for Sennheiser HD 660S2 — a 3-point lead. Sennheiser HD 600 is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Sennheiser HD 600 vs Sennheiser HD 660S2
Verdict
Our overall take, at a glance
Key takeaways
- Sennheiser HD 600 and Sennheiser HD 660S2 are closely matched overall (within 2 points).
- Sennheiser HD 600 stands out on Audio Driver Size: 42 mm.
Sennheiser HD 600 and Sennheiser HD 660S2 are closely matched
Sennheiser HD 600
98
Sennheiser HD 660S2
96
Where Sennheiser HD 600 stands out
- Audio Driver Size: 42 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 600
The Sennheiser HD 600 models are considered classic and popular in the audio community, particularly for music practitioners. The design remains classic; many find the sound stable and well-rounded despite potential improvements being available.
Best for mix engineersBest for music practitionersBest for general listening
Pros
- Body design is described as very classic and tasteful
- The physical earcup and headband are comfortable
- Separation of instruments sounds good in complex arrangements
- Well-rounded frequency response makes the body of instruments feel three-dimensional
- High performance for its price point (2000 CNY / 300 USD)
Cons
- New models may lack the classic marble texture found on older designs
- The new HD 600 may feel tight for larger heads
- Low-end distortion is noticeable, though comparable to other speakers
- Transients can be missing, leading to a smearing effect in playback
- Mid-frequency can feel somewhat bloated subjectively
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.
Sennheiser HD 600
Sennheiser HD 660S2
Physical Comparison
Weigh them up, then compare real dimensions in 3D
Sennheiser HD 600Sennheiser HD 660S2
Sennheiser HD 600 and Sennheiser HD 660S2 weigh about the same.
Review Videos
Hand-picked expert reviews for each product
Detailed Specifications
The full spec sheet, side by side
Frequently Asked Questions
Common questions about Sennheiser HD 600 vs Sennheiser HD 660S2 comparison
Sennheiser HD 600 and Sennheiser HD 660S2 are compared side by side above across every spec in the headphones category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 38/100 for Sennheiser HD 600 and 35/100 for Sennheiser HD 660S2.
At launch, Sennheiser HD 600 was the more affordable option ($449) versus Sennheiser HD 660S2 ($599). Weigh that against the overall scores (38/100 vs 35/100) and the value-for-money meter above to judge whether the higher-rated model justifies its price for your needs. Current retail prices vary — check the retailer.
If you want the higher-rated headphones option overall, Sennheiser HD 600 (38/100) edges out Sennheiser HD 660S2 (35/100). But if Sennheiser HD 660S2 is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.