... uses in stage, shop and disco, KTV *high output USB pa speaker with SD,remote control *Karaoke functions Output(RMS): P ... 'G/40'G/40'H: 162/324/380USB 2.0 pa speaker uses in stage, shop and discoHigh-power; euphonious alt ... , sweet mediant, voluminous bassUSB pa speaker with USB, SD card, remote control, Karaoke USB 2 ...