4 way speaker level adapter allows to connect your factory stereo to the amplifier without RCA cables, and can also be used with head units that don't have an RCA output
Speaker level input harness for Alpine, Diamond Audio, Hertz, Boston Acoustics, Clarion, Focal, Hertz, Infinity, Kenwood, Mtx, Pioneer, Polk Audio, Rockford Fosgate, Sony, Lanzar, Re Audio and many other brand amplifiers
Direct to replace: Audio Wire Harness for Alpine Amplifier directly replace the old or broken connector ; Pre-stripping at the end of the wiring makes installation easier
Durable: The Amplifier wiring harness for Alpine made of durable ABS plastic for long term use and high quality copper wires for great conductivity
Please connect according to the actual functions of different amplifiers