HD 660S2

Sennheiser

HD 660S2

6 positive 0 neutral 2 negative

Based on 8 Reddit mentions

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HD 620S vs HD 599 opinion

I think you have the same "issue" as me. Most people dismiss warm sounding headphones are wrong it seems and prefer the neutral audio. I, personally love the hd 598, 599, 660s2 sound, which is WARM sounding headphones. I also tried the hd620s - they're not bad but they aren't warm sounding, they can

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Notwalkin in r/sennheiser

February 7, 2026 3:45 PM

1

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#1
HD 599 SE

Sennheiser

HD 599 SE

$159.95

positive
neutral
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