SiriusXM SXSD2 Portable Speaker Dock Audio System for Dock and Play Radios (Black) 2.1 system with separate tweeters, midrange speakers and a powerful subwoofer A fold away handle and an antenna cradle make it easy to take anywhere Control your radio and docking station with the included remote Has a headphone jack for private listening and a aux in jack to allow for other MP3 players to be used Compatible: XM Onyx EZ, Stratus 7, Siriusxm Onyx Plus, Starmate 8, Stratus 6, XM Onyx, SiriusXM Edge, Siriusxm Onyx Plus, XM Onyx EZ, XM Onyx, XM XpressRCi