Sennheiser HD 660 S HiRes Audiophile Headphone

Sennheiser

HiRes Audiophile Open Back Headphone. Reference class open back, dynamic headphone employing new and improved transducers delivering low harmonic distortion Transducers are hand selected for precise (1 dB) left / right matching tolerance insure exceptional accuracy and presentation of stereo spatial characteristics 150 ohm nominal impedance allows direct connection to home and mobile Hires audio devices. Contact pressure: 6.0 N - 1 N Para aramid reinforced, detachable cables employ high conductive OFC copper to insure signal integrity with very low handling noise Supplied with two connection cables: One with a 6.35 millimeter stereo plug, the other a 4.4 millimeter Pentaconn balanced stereo plug. Also included is a 6.35 millimeter to 3.5 millimeter adaptor. Connectivity Technology: Wired 6.35 millimeter / 4.4 millimeter Pentaconn Frequency response 10 to 41,000 Hz ( 10 dB), Impedance 150 ohm Note: Kindly refer to the user manual provided as a PDF manual in the product description section Note: Products with electrical plugs are designed for use in the US. Outlets and voltage differ internationally and this product may require an adapter or converter for use in your destination. Please check compatibility before purchasing.