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REAR PANEL SP-A4150
15 “GND” POWER INPUT TERMINAL
Terminal to connect the amplifier to the negative or ground pole of the vehicle
16 “REM” INPUT TERMINAL
Terminal to connect the amplifier to the automatic (remote) turn-on / turn-off
lead of the head unit
17 “+12V” POWER INPUT TERMINAL
Terminal to connect the amplifier to the positive +12V voltage of the car battery
18 FUSES
ATC fuses for protection of the amplifier electronics against overload or
wrong operation
19 POWER LED
Green “operation” LED is lit when the amp is turned ON, signaling correct operation.
20 PROTECT LED
Red “protect” LED – when lit signalling faulty speaker connections or general
malfunction of the amplifier
21 SPEAKER OUTPUT TERMINAL
Output terminal to connect the speakers to the amplifier (mono for subwoofer)
CONNECTIONS & CONTROLS