BoomMP3 Box Sound and Music Controllers - Power Series Looking to add, synchronize, and control sounds or music in your display? Check out our sound and music control products! Get the Monster Brain and MP3 Controller in a plastic, weather resistant enclosure. CMBMP3$599.95 Monster Brain MP3 controller in plastic weather resistant enclosure with external FM transmitter CMBMP3-FM$799.95 Monster Brain and MP3 Controller in metal weather resistant enclosure *Item requires production lead time CMBMP3-M$699.95 Monster Brain MP3 controller in metal weather resistant enclosure with external FM transmitter *Item requires production lead time CMBMP3-MFM$899.95