Rear Panel; Output Connections; Input Connections - APT QDSP-20K Quick Start Manual

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QDSP-20K Amplifier with DSP
Mains input
4mm2 Flex
Signal Link Out
(CHA + CHC)
DSP Remote Connection
USB, RS485, Ethernet
Balanced Input
Speaker Output
(CH1 + CH3 Bridge option)
Output Connections Input Connections
Rear Panel
Channel 4 ±1 Channel 2 ±1 Channel 3 ±1
Channel 4 ±2
Bridge 1+ 2-
Channel 1 ±1
Channel 2 ±2
Bridge 1+ 2-
Pin1 Screen
Pin2 +
Pin 3 -
Input 1
Input 2 Input 4
Input 3
Ch A + CH C
Link Out
Output 4 Output 2
Output 1
Output 1+2
4 Channel Mode
Output 3
Output 3+4
Output 3+4
Output 1+2