A portable package for mounting a stereo entertainment system to a motorcycle. The portable package comprises a cover enclosing a housing of a device comprising a FM (frequency modulation) receiver, a USB (Universal Serial Bus) port configured to receive a radio plugin, an audio input, and a SD (Secure Digital) port operatively assembled in the housing. A plurality of speakers that are operatively connected to the stereo entertainment system for an audio output are attached to the cover. The cover is configured to magnetically attach the portable package to the motorcycle.