... loudspeaker with USB, SD, remote, colorful lights USB 2.0 professional loudspeakerOutput(RMS): P.M.P.O 3000WImpedance: 4ΩFrequency ... G/40'H: 139/278/326(1) USB 2.0 professional loudspeaker plays in stage, shop, disco and KTV, with ... SD card, FM, remote control, LED display 2.0 professional loudspeaker.(6) USB professional loudspeaker with euphonious alt, sweet mediant, voluminous bass. Description ...