You’ll never have to worry about tangled cords with these wireless car audio accessories. The PowerBass XL series of Bluetooth car receivers make it simple to connect compatible smartphones, tablets and MP3 players. You can add a basic wireless adapter that slides behind a dash panel or universal receivers that have functional controls and bonus auxiliary ports. It’s one of many affordable ways to upgrade your stereo system. Get PowerBass wireless accessories from OnlineCarStereo.com with free shipping in the lower 48 states.