... theater speaker systems 1,RMS:45W+10W*5 2,USB/SD card ... control USB/ SD,FM Remote New 5.1 Home Theater Speaker System Features:1. Built-in USB and SD memory card ... , bass, treble, echo, mic-volume separately control4. Compatible with PC/VCD/DVD/CD/TUNER/TAPE/TV and other audio input ... hot selling Specification:5.1CH home theatre with remote controller 1,Output power:45W+10W*5(RMS)2,Speaker driver:woofer5 ...