Sennheiser’s new HD 660S is the ideal open, dynamic headphone for the passionate audiophile
Meticulously crafted from hand-selected components and specially developed acoustic materials, it delivers incredibly low harmonic distortion for an exceptional listening experience
Reference class open dynamic wired headphones
New improved transducer design for very low harmonic distortion
Hand-selected headphone drivers with precise left and right matching tolerances (± 1 dB) for accuracy
Comes with: Stereo jack plug, gold-plated; 6.35 mm, unbalanced, 3-pin; 4.4 mm Pentaconn plug, balanced, 5-pin; Adaptor 6.35 mm to 3.5 mm
150 ohms nominal impedance to allow direct connection to both stationary and mobile HiRes Players
Detachable cables made from highly conductive OFC copper, with very low handling noise and para-aramid reinforcement
Includes a choice of connection cables with either 6.35 mm stereo plug or a 4.4 mm Pentaconn balanced stereo plug. A 6.35 mm to 3.5 mm adaptor is also included
Frequency response: 10 Hz to 41.000 Hz Sound Pressure level at 1 kHz, 1 Vrms: 104 Db Supplied with a storage box Frequency response 10 –41,000 Hz (-10 dB) Diffuse-field equalized Impedance 150 Ω Sound pressure level (SPL) 104 dB (1 kHz / 1 Vrms) THD +N – total harmonic distortion (1 kHz, 100 dB) <0,04 % Approx. 10"L x 10"T; 126"L cable Imported