Subaru Aftermarket Amplifier or Subwoofer Installation Information

This page describes the parts needed to upgrade your OEM Subaru audio system by installing either an aftermarket in-line amplifier or an aftermarket subwoofer amplifier. Both upgrades require splicing speaker wires to connect audio signals to the aftermarket amplifier. The harness kits discussed here will allow you to make this connection without damaging/splicing OEM wires.

These "Jumper harnesses" connect between the back of the OEM headunit and the wiring that goes to the speakers. This will allow splicing of these harnesses rather than cutting or tapping factory wiring.

Splice harness Splice harness

Vehicle Selection

Please select your vehicle to view the recommended jumper harness:



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