HD 660S2

Sennheiser

HD 660S2

6 positive 0 neutral 2 negative

Based on 8 Reddit mentions

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HD800S vs HDB630: Can wireless hang?

Tubes do help the HD 800 S, it becomes more "HD 650-like" by adding some warmth and taking the edge off in the treble. Though it's a much "Softer" presentation than the HD 650 below 4kHz, as shown below. Though, the maintenance needed to upkeep tube amps can be annoying if you're used to solidstate.

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SilentIyAwake in r/sennheiser

March 14, 2026 4:21 PM

2

Should I get HD490 PRO or HD660S2 after Audeze Maxwell

The 660S2 will be more different than the Maxwell. However, I recommend getting the cheaper(and in my opinion, better) HD 600 if you want the best Sennheiser headphone for music. It easily sounds the most "Natural" and "Real" and "Normal" yet still "Lush" out of any Sennheiser in my opinion, even th

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SilentIyAwake in r/sennheiser

March 12, 2026 8:26 PM

1

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