#1
Sennheiser
HD 660S2
63 positive 0 neutral 11 negative
Based on 74 Reddit mentions
$394.95
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Most discussed features
Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
Been trying to figure out sleep earbuds as a side sleeper. Harder than I expected tbh
My Experience with A30 and Other Gear as a Side Sleeper I wanted to share my perspective on the Soundcore A30 and a few other setups I’ve tested, as I also struggle with being a light sleeper. Soundcore A30 (ANC & Comfort): I agree that the ANC isn't as powerful as high-end commuter earbuds. However
...Radiant_apo660602 in r/sleepheadphones
April 29, 2026 12:13 PM
3
Decision problems (HD490 vs HD660s2)
I’ll take almost anything over the 770, so … yeah, they’re both better than it. 😂 The 490 definitely has a better soundstage in terms of both width and separation within it; the 660s2 was a step up from the three blob people complain about with the rest of the 6X0s but it’s not as good as something
...Daemonxar in r/sennheiser
January 13, 2026 1:56 PM
0
