5.1 Active subwoofer speaker for home theatre TOUCH SCREEN REMOTE CONTREL VFD DISPLAY AUX ,5.1(AC-3) INPUT professional speaker, subwoofer,woofer,usb ... ,Speaker Box, Speaker Cable, Speaker Stand, Loudspeaker, Sound box. 5.1 CH HOME THEATRESubwooferFrontCentreRearDriver Unit10"4"2x4"4”Frequency Response (Hz)28Hz ...