... ,woofer,usb speaeker, Multimedia speaker ,Computer Speaker,Mini speaker,MP3/MP4 Speaker, Portable Speaker , Home theatre speaker,Hifi speaker,Speaker Box, Speaker Cable, Speaker Stand, Loudspeaker, Sound box. FUNCTION:Auto StandbyNormal or ... or standby mode.Feed Forward Anti-Distortion TechnologyTurn any speaker or subwoofer too loud and it'll distort. Instead of using an ...