1. Convert car stereo speaker outputs to RCA outputs
2. Allow the addition of 2 or 4 channel amplifiers to most stereo without RCA outputs
3. Allow the addition of amplifier and subwoofer to existing factory systems
4. Adjustable level matching from 0 to 2 volts
5. For car stereos up to 80W
6. Easy to follow illustrated instructions
2. Allow the addition of 2 or 4 channel amplifiers to most stereo without RCA outputs
3. Allow the addition of amplifier and subwoofer to existing factory systems
4. Adjustable level matching from 0 to 2 volts
5. For car stereos up to 80W
6. Easy to follow illustrated instructions