Music Amplifier is an electronic speaker that recreates low-control electronic sound flags, for example, the flag from the radio beneficiary or electric guitar pickup at a level that is sufficiently solid for driving (or controlling) amplifiers or earphones. The implicit MP3 player with USB peruser and remote control. Line Output for interfacing with a Booster Amplifier. Cut write tone control. This music enhancer is having a moment exchange to DC Power if AC control comes up short. An incredible across the board answer for all your stimulation needs.