Aux audio input for 2003-2005 GM(R) SUV & Truck Allows direct interface of any pre-amp level audio source to a factory radio with a slave unit, eliminating the need for sound degrading solutions like an FM modulator Interfaces input sources from DVD, VCP, MP3, satellite radio or PlayStation(R) Lower cost & higher quality sound than an FM modulator Comes with a 3-position switch between 2 aux inputs & the factory slave unit High-quality audio isolation IC eliminates engine noise Internal CMOS electronic switching for long-term reliability Requires factory XM Satellite Radio(R) receiver, factory DVD rear seat entertainment or factory/aftermarket CD changer In order to work, slave unit must continuously be playing or XM Satellite Radio(R) or DVD, must be on

Standalone Auxiliary Input for Most 2003-2005 GM Vehicles

Works with Vehicles without Factory XM DVD or External CD Changer

Two Auxiliary Inputs Selectable by the Headunit's Button

Works in Most Vehicles with the Factory 6 Disc In-Dash Head Units