Sennheiser HDV 820 Headphone Amplifier [2nd hand]

HDV 820 Features

The next generation of the acclaimed digital headphone amplifier

Top-of-the-line ESS 9028PRO SABRE digital-to-analog converter

Performs exceptionally well with digital sources, whether connected via optical, coaxial, or USB

Features balanced (XLR) and unbalanced (RCA) analog inputs

Perfectly complements the Sennheiser audiophile headphone range

Capable of playing DSD256 files up to 12.3 MHz, as well as PCM files up to 32-bit with a sampling rate of 384 kHz

Audio outputs include XLR3, XLR4, a 6.3 mm jack, and a 4.4 mm Pentaconn jack

HDV 820 Technical Specifications

Dimensions (W × H × D)
224 × 44 × 306 mm

Weight
2.39 kg

Frequency response
10 Hz – 100 kHz

Signal-to-noise ratio (SNR)
93 dB

Total harmonic distortion (THD)
< 0.001%

Dynamic range
115 dB with 600 Ω load (A-weighted)

Gain
Unbalanced input / XLR-4 output: adjustable 14 dB, 22 dB, 30 dB, 38 dB, 46 dB
Balanced input / XLR-4 output: 16 dB

Power supply
100 – 240 V ~ 50 – 60 Hz

Power consumption
12 – 18 W

USB standard
USB 2.0

Connections
6.35 mm jack
4.4 mm Pentaconn
XLR-4