Designed to cater to the needs of the professional sound technician, the HD6 MIX is constructed of rugged, lightweight parts and built to withstand years of work in the studio. Sound-wise, they deliver an accurate, balanced sound reproduction suitable for mixing and monitoring.
 â–º Sennheiser’s proprietary acoustics system delivering a balanced and accurate sound
 â–º Elliptical, circumaural design for maximum comfort and reduces background noise to a minimum in even the loudest of listening environments
 â–º 150 ohm impedance for optimum compatibility with studio and mixing equipment
 â–º Crafted from durable, high quality parts to guarantee years of use
 â–º Single-sided coiled cable can be attached to either ear cup; straight cable included (both up to 3m)
 â–º Comes with a premium protective case
 â–º 2-year warranty
Impedance : 150 Ω
Frequency response : 8 - 30,000 Hz
Sound pressure level (SPL) : 112dB (1kHz/1Vrms)
THD, total harmonic distortion : <0.1% 
Ear coupling : Circumaural
Jack plug : 3.5mm straight
Cable length : coiled 1.5m-3.0m, straight 3.0 m
Transducer principle : dynamic, closed
Weight w/o cable : 264 g