MBS 1215/2 A USB is a 500 W two-way active loudspeaker made of ABS plastic. It is made up of two 15 "loudspeakers and a 1.3" compression driver. It has side and top handles, and 2 lower wheels to facilitate transport. It incorporates microphone input with XLR3 and 1/4 "Jack connectors and line input with RCA and XLR3 connectors. It has volume for each input, master volume and 2 tone controls and bridge output for connection to another active loudspeaker. It also has an MP3 player through USB or SD port, and Bluetooth connectivity.