Fortunately, Pioneer was thoughtful enough to include an auxiliary audio input on both units, so 4900 owners can still plugin and play whatever audio device takes their fancy.
Simply plugin the AR audio system to any 12-volt outlet, connect it to your WiFi network and instantly stream music wirelessly from any iPad, iPhone, or iPod touch in your network.
Using her Treo 600 smart phone from PalmOne (nasdaq: PLMO - news - people ), she'll plugin a headphone and listen to streaming audio from radio stations around the world.