Sennheiser HD 660 S Audiophile Headphones
The Sennheiser HD 660 S headphones set a new standard in audiophile performance. Equipped with advanced transducers, they deliver remarkably low harmonic distortion. Precision is assured with hand-selected transducers matched within an exacting 1 dB left/right channel tolerance. With a 150-ohm impedance, these headphones are suitable for both home and mobile HiRes audio devices. The headphones feature para-aramid reinforced, detachable OFC copper cables for superior signal integrity and minimal handling noise. Supplied with two cables—a 6.35mm stereo plug and a 4.4mm Pentaconn balanced stereo plug—plus a 6.35mm to 3.5mm adaptor, they offer versatile connectivity for any setup.
Sennheiser HD 660S2 Audiophile Headphones – Black
The Sennheiser Consumer Audio HD 660S2 Wired Audiophile Stereo Headphones deliver a natural, relaxed, and high-fidelity sound with exceptional sub-bass. Featuring an ultra-light aluminum voice coil and 300-ohm impedance, these headphones provide excellent impulse response, intimate sound, and remarkable timbre. The 42mm high-performance transducers are airflow-optimized for minimal distortion, while the vented magnet system ensures superior ventilation. With an open-back design and plush ear cushions, they offer maximum comfort for extended listening. Designed in Germany and made in Ireland, they boast a frequency response of 8 Hz – 41,500 Hz and detachable cables for convenient desktop use.
