With these groundbreaking closed dynamic headphones passionate music lovers can now enjoy their music at an audiophile level wherever they please, at home or on the move. Featuring unique glass transducer covers that minimize resonances, the HD 820 are simply the most transparent-sounding closed headphones in the world, extending the boundaries of what has been achieved in sound reproduction with closed type headphones up to now. Developed and made in Germany, they offer an incredibly realistic, natural sound field and also stand apart by the extraordinary attention given to every detail of their design. Their soft comfortable microfiber ear pads are hand crafted, providing excellent attenuation of ambient noise, while the robust metal headband includes an inner damping element. Get ready for an unparalleled listening experience.

Impedance	300 Ohms
Frequency response (Headphones)	12 - 43800 Hz (-3 dB)
Frequency response (Headphones)	6 - 48000 Hz (-10 dB)
Sound pressure level (SPL)	103 dB at 1 kHz, 1V
Ear coupling	around the ear
Jack plug	6.35 mm / 4.4 mm
Jack plug	XLR-4 (optional)
Cable length	3m
Weight	360 g without cable
Transducer principle (headphones)	dynamic, closed