PAC OS-1 incorporates a microcontroller that communicates directly with OnStar's serial data protocal to prevent false triggering thus eliminating unwanted audio noise through speakers. Onboard amplifier will drive two, 4 ohm speakers in stereo. Use with existing speakers in front doors or use external/separate speakers.
12 volt remote out to turn on factory amplifier and mute wire to attenuate the aftermarket stereo
LED indicator and volume control
Built in audio isolation circuit eliminates engine noise
Will not false trigger
Retain Onstar in vehicles when replacing factory stereo
Plug and play, no wiring to vehicle harness on board amplifier plays Onstar audio through the two front speakers
