Sennheiser HDV 820 - Product Controls and Connections; Front Panel Layout and Functions; Rear Panel Inputs and Outputs

Product overview
8 | HDV 820
Product overview
Overview of the front panel
Overview of the rear panel
1 On/off button with LED
2 Headphone output, 
XLR-3/¼" (6.35 mm) jack
combo socket, unbalanced
3 Headphone output,
XLR-4 socket, balanced
4 Headphone outputs,
4.4 mm Pentaconn jack socket,
balanced
5 DSD reproduction LED
6 Input selection LED
7 Input selection rotary
switch
8 Volume control
9 Type plate (bottom)
1
3
4
8
9
2
7 5
6
0 XLR-3 input socket,
balanced (
BAL R, L)
A Input gain rotary switch 
(
–GAIN+) for RCA input
B RCA input socket,
unbalanced (
UNBAL L, R)
C S/PDIF input,
optical (
OPT)
D S/PDIF input,
coaxial (
COAX)
E USB input, 
Type B (
USB)
F XLR-3 output socket,
balanced (
BAL R, L)
G IEC mains socket 
~100-240 VAC 50/60 Hz
ANALOG OUT
~100-240 VAC 50/60Hz
R
LRLR
ANALOG IN
DIGITAL IN
- GAIN +
BAL UNBAL BALOPT USB
COAX
A
G
E
D
C
B F 0