Audiovox CNP2000UC XM Radio Direct 2 Add-on Car Stereo Receiver with Mini-Tuner Receive XM Satellite radio signal directly through an XM-ready car stereo head unit Easily change channels and see programming information on stereo display Can be installed behind dashboard for clutter-free appearance Single interface adapter can be used used with a variety of XM-ready head units Requires additional, brand-specific adapter cable