HD 820
A benchmark listening experience as vivid as it is uninterrupted.
The critics said closed headphones could never sound as immersive as their open-air counterparts. They said physics would never allow it. To that we simply said, “listen”. The HD 820 combines an innovative glass reflector and ring radiator transducer technology for a benchmark listening experience.
The new audiophile standard for closed-back headphones
Concave Gorilla Glass reflectors deliver impressive spatial sound reproduction
Ultra-ergonomic adjustable metal headband with inner damping element
Developed in Germany and precision-built at Sennheiser’s state-of-the-art Ireland plant
Frequency Response: 6 - 48,000 Hz (-10 dB)
56mm Ring Radiator dynamic transducer system
Acoustic absorber system prevents frequency masking for unheralded detail
Luxuriously comfortable microfiber ear and headband padding on key contact points
Impedance: 300 ohms
Total harmonic distortion: 0.02 % (1 kHz 1 Vrms)