Estimated price (community-sourced)
Around — community and catalog average, updates slowly
About the HD 820
The HD 820 is a wired, closed-back, over-ear audiophile headphone using Sennheiser’s 56 mm dynamic Ring Radiator transducer system. Its concave Gorilla Glass earcup reflectors direct sound toward acoustic absorbers to control resonance. It has a 300-ohm impedance, a metal headband with damping, and microfiber ear and headband padding. The supplied cables include an unbalanced 6.35 mm plug and a balanced 4.4 mm Pentaconn plug.
Specifications
Transducer Specifications
Driver and acoustic performance characteristics
- Sensitivity
- 103 dB SPL @ 1W/1m
- Impedance
- 300Ω
- Frequency Response
- 6 Hz - 48 kHz
Key Specifications
Specifications are community-contributed and may not be accurate or complete. Verify all details with the manufacturer before making purchasing decisions. Terms & Conditions