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3
1. RCA Input Jacks
2. Rear Speaker Output
1. Ground
2. Remote Turn-on Input
3. Battery +12V Input
1
6
1. Front GAIN Control
2. Front Filter Select Switch
3. Front HPF Control
4. Front Bass Boost Level
5. Front LPF Control
APSM-4080
2
3. Front Speaker Output
1
2
3
4. 40 Amp Fuse
5. Protection Circuit Indicator LED
6. Power Indicator LED
3
2
7
8
6. Rear GAIN Control
7. Rear Filter Select Switch
8. Rear HPF Control
9. Rear Bass Boost Level
10. Rear LPF Control
1
5 6
4
4
5
9
10
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