PAC SNI-1 Noise Isolator, 1 Count & Metra 40-GM10 GM Antenna Adapter

PAC SNI-1 Noise Isolator, 1 CountPAC SNI-1 Noise Isolator. Eliminates ground loop noise between the audio source and radio. For use with portable devices that have RCA audio outputs, including pre-amp outputs. Close to perfect response of +/- .03 db from 2 to 20,000Hz. Utilizes proprietary audio transformers for a 1.3 dB gain.Metra 40-GM10 GM Antenna Adapter1988-2006 GM Antenna Adapter with Mini "Barbed" or "Barbless" Plug GM factory antenna connector Mini barbed or barbless plug to aftermarket radio We are the "Installer's Choice" because we are installers.