Sennheiser HD 660S2 Audiophile Headphones noise-isolating A full range 5Hz-20kHz frequency

A full range 5Hz-20kHz frequency response is delivered via air conduction from the dual W9+ subwoofers and 5 balanced armatures while imaging

An uncanny ability to resolve fine detail — alongside warmth and comfort for extended sessions

Maple / Hemp / Cocobolo Wood Housing

Even the crossfeed function is generated by an analog filter circuit

but not 100% eliminates channel Imbalance caused by clogging

Sennheiser HD 660S2 Audiophile Headphones noise-isolating A full range 5Hz-20kHz frequencyDive 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. Extended sub bass Natural, warm sound Comfortable open back design Your new desert island headphone Every high end headphone has its own unique personality. What if you could only own one? Ever felt goosebumps from sound so