Sennheiser HD660S2 Overear Headphones

The Sennheiser HD660S2 Overear Headphones feature 38mm dynamic drivers with an open-back design, delivering a frequency response of 8 Hz to 41,500 Hz and a sound pressure level of 104 dB, providing natural, warm, and detailed sound with extended sub-bass. They have a 300-ohm impedance with an ultra-light aluminum voice coil for excellent impulse response and minimized distortion. Built for comfort, they come with plush ear cushions and a lightweight design suitable for long sessions. The headphones include two detachable cables (6.3 mm and 4.4 mm balanced) and a 6.3mm to 3.5mm adapter for versatility. Enhanced airflow and coil design provide doubled sound pressure in the lowest octaves for deeper bass, clearer highs, and a wider, more immersive soundstage, increasing precision, speed, and resolution. Made in Ireland, the HD660S2 is ideal for audiophiles seeking refined studio sound with impactful bass and detailed imaging.