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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
The resistance is in series with headphone and consumes output power
Frequency Response: 30 Hz – 40 kHz (-3dB)
1 Foam Adapter (M)
The isolation – and the comfort – are enhanced by the four sizes of included silicone eartips (XS/S/M/L)
FREQUENCY RESPONSE:  20 – 18
Sennheiser HD 660s Streamer The resistance is in seriesTHE LEGEND CONTINUES Sennheisers new HD 660 S is the ideal open, dynamic headphone for the passionate audiophile. Meticulously crafted for most demanding listener, the HD 660 S builds on the legacy of the legendary HD 650, surpassing the exceptional performance of its predecessor with a new and improved transducer design that delivers lower harmonic distortion for an even more natural, lifelike audio experience. It is exceptionally accurate and