Product Price Impedance (ohms) Frequency Response (Hz) Sensitivity (dB/mW) Driver Size (mm) Closed Back Wireless Weight (g)
Sennheiser HD 820 507435
US
£34084284.91 300 ohms 6 Hz - 48,000 Hz 103 dB (1 V) 56 mm 360 g

The Sennheiser HD 820 is a wired, closed-back audiophile headphone with 56 mm ring radiator transducers, glass reflectors, and a wide 6 Hz to 48,000 Hz frequency response. It suits critical listeners and studio users who want detailed, private listening with strong ambient noise attenuation.

★ Ideal for

The HD 820 suits listeners seeking studio headphones with an extensive frequency response range because it covers 6 Hz to 48,000 Hz and uses 56 mm ring radiator transducers for detailed reproduction.