[MoonAudio]

Sennheiser HD660 S2 Headphones​

Sennheiser’s HD 660S2 headphone delivers even better sound, comfort, and versatility than the original HD 660. Sennheiser HD 660S is the ideal open, dynamic headphone for the passionate audiophile.

Dive Deeper Into your Music!​

Enjoy your music on a completely new level. An intimate, relaxed sound signature combines with outstanding precision and exceptional comfort — and now, extended sub bass — for a deeply moving experience. The extremely precise yet non-fatiguing sound of the HD 660S2 delivers even more impact with extended sub bass.

With an optimized surround, transducer airflow, and coil our engineers doubled the sound pressure at the lowest octaves. You can feel the lowest note on the piano (27.5 Hz) or the kick of the bass drum (45-60 Hz) as if you were there.

The relaxed tone and open-back design make this extremely comfortable headphone great for long sessions. With warm tuning, smooth treble, and strong bass, the standard-setter for extended listening is now the standard-setter for extended bass as well.

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[aznablerey]

These headphones are legitimately good. Folks who got upset about the “unboxing experience” have spent too much time watching YouTube and not enough time listening to music.