HD 820 Audiophile Wired Closed-back Headphones

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.

Product Features:

• 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)
  

What's in the box:

• Headphones HD 820 (closed, dynamic headphones)
• Connection cable: ¼” (6.35 mm) stereo jack plug (connected ex works), unbalanced
• 4.4 mm stereo jack plug, balanced
• Instruction manual
• Storage box
• Microfiber cloth