This line output converter is designed for car audio and will connect to you output speaker wires on your factory car cd/receiver deck to give you rca connections to hook up an amplifier without an aftermarket cd/receiver deck. Once it is hooked up it will give you two gold plated female RCA outputs for amplifier hook up and converts from 2-10 watts per channel for those pre amp RCA outputs. Wiring: Two RCA female connectors connect to car CD/Receiver The black wire connects to amplifier L+ The black/white wire connects to amplifier L- The green wire connects to amplifier R+ The green/black wire connects to amplifier R- The single black wire connects to amplifier Ground.