Lightweight with built-in handle for easy mobility Green LED light on front gives visual confirmation of power Switchable power supply Separate bass, treble controls for quality sound Line output to additional speakers Aux in and line inputs connect with LCD projectors, multimedia players, computers and whiteboards Accepts XLR / 1/4” mic inputs so two microphones can operate at the same time Rugged brass sunburst teeth for worry-free bracket MB350 mounting and guarantees speaker will not slip Now includes a mounting bracket (MB-350) for use on a tripod (optional) or wall. Magnetically shielded speaker