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

and skip tracks forward and backwards and even activate the voice assistant on your Bluetooth-connected smart device

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

4mm output is compatibility and convenience

High frequencies are handled by the proven SWFK-31736 driver

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