Sennheiser’s HDV 820 is the next generation of its acclaimed digital headphones amplifier, designed to complete the Sennheiser audio experience and perfectly complement its high-end audiophile headphone range for the ultimate acoustic performance.

Technical Data

Dimensions - Approx. 224 x 44 x 306 mm
Frequency response - < 10 Hz to > 100 kHz
THD, total harmonic distortion - < 0.001 %
Weight - Approx. 2.25 kg
Power consumption - Nominal 12 W
(2 x 300 Ω headphones connected to the 4.4 mm outputs)
Gain - UNBAL input/XLR-4 output: Adjustable 14 dB, 22 dB, 30 dB, 38 dB, 46 dB
/ BAL input/XLR-4 output: 16 dB
Operating voltage (mains) - 100 – 240 V ~, 50 – 60 Hz
Dynamic range - > 115 dB @ 600 Ω load (A-weighted)