Sennheiser HD 660S2
Community verdict
Based on 6 authentic reviews, the Sennheiser HD 660S2 earns a score of 7.8 out of 10. Reviewers consistently praise the significantly improved sub-bass response, punchiness, and detailed soundstage compared to previous HD 600-series models. However, critics point out a slightly uneven midrange tuning and occasional issues with sound clarity as ear pads wear down over time.
6
reviews collected
6
authentic reviews
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sponsored removed
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flagged as AI
Community Verdict
A concise summary of what verified buyers of Sennheiser HD 660S2 consistently praise — and what they don’t.
Buyers love 4
- +Improved bass response
- +High detail resolution
- +Spacious soundstage
- +Fast bass decay
Keep in mind 3
- −Wonky midrange tuning
- −Bass gets muddy
- −Lacks wow factor
What people are saying
4 quotesDirect organic buyer opinions about Sennheiser HD 660S2, filtered for spam and ads.
The bass response is super quick and defined, and the mids and highs never get congested, even when things get hectic.
The 660S2 fixes all the issues with previous versions of the headphone. It has actual bass. Let me say this again, IT HAS BASS
660S2 is the most punchy, most detailed, and most spacious from the HD6-series, but their midrange tuning is the most wonky...
The bass is nice and boomy, but really lacks decay and is super prone to sounding quite muddy with pad wear...