Features:
Open, dynamic headphone for the passionate audiophile
Made for the demanding listener, the HD 660 S surpasses the exceptional performance of its predecessor, the legendary HD 650. With a crisp bass, excellent mid-frequency response, and a gentle, pleasantly natural treble, the HD 660 S has an expressiveness that immerses you in every emotion and nuance of music.
Technical Data
Impedance 150 ?
Connector 6.35 mm / 4.4 mm Pentaconn
Frequency response 10 – 41,000 Hz (-10 dB)
Sound pressure level (SPL) 104 dB at 1V 1kHz
Ear coupling Over-ear (circumaural)
THD + N, total harmonic distortion and noise < 0,04% (1 kHz, 100 dB)
Transducer principle (headphones) Dynamic, open
Weight w/o cable Approx. 260 g (without cable)