The factory amp (if equiped) & system will remain unchanged.
Interface is transformer isolated, maintains phase and is linear from 20 to 20,000 HZ.
This 4 channel interface will allow the output to be adjusted to the input requirements of the new amplifier, providing 2:1 gain and infinite attenuation.
The input connectors plug into the factory stereo and vehicle harness.
The 4 female RCA output jacks plug for connecting to the new amplifier.
Description
PAC Premium Amplifier Add-On/replacement Radio Sound System Interface Kit GM - PAC AOEMGM1416.