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AMPLIFIER
UNBALANCED IN
STEREO IN
STATUS
R
L
12VDC IN
RS-232
IR
SERVICE
VOLUME
BALANCED IN
L+ L- GND R+ R-
SPEAKER OUTPUTS
+
+
S GND GND Tx Rx
A. 12V DC Input (Black)
Attach 12V DC power from power supply.
B. Balanced Input 1
Set screw connector accepts and secures balanced line level mono or stereo
audio signals.
NOTE:
To preserve wires for future service, use a zip-tie and leave a 6" service
loop of excess wire.
C. 3.5mm Stereo Input 2
Attach stereo 3.5mm plug into jack.
D. Unbalanced RCA Input 3
Accepts unbalanced mono or stereo line level audio signals.
E. USB Service Port
Reserved for firmware updates only. Plug in a USB flash drive with firmware
file, the unit will automatically update. No PC or Mac needed. Refer to
Firmware Update
on Page 10.
F. Volume Knob
Digital encoder, sends and – commands to the amp.
G. Status LED
Blue (Solid)
On
Blue (Blinking)
IR/RS-232 Communication active
Red (Solid)
Standby
Pink (Blinking)
Mute
Red (Blinking)
Fault (See Troubleshooting on page 10)
H. IR Input
Control the amplifier via IR from your control system. This input accepts a
mono connector – Signal and GND only, no 12V signal supplied.
I. RS-232
Control the amplifier via RS-232 from your control system.
J. Speaker Output (Green)
Set screw connectors attach to output.
A
B
H
I
J
C
E
G
F
D
