1) 2.0 professional loudspeaker, for stage, shop, disco and KTV 2) USB loudspeaker with USB, SD, remote, colorful lights USB 2.0 professional loudspeakerOutput(RMS): P.M.P.O 3000WImpedance: 4ΩFrequency response: 55Hz-18KHz(-3dB)Power: AC~220V/50Hz6pcs Tweeters, 2pcs 12" woofersCarton Meas(m³): 0.2085PC/CTN: 1G.W.(kg): 24Loading Qty(sets)20'G/40'G/40'H: 139/278/326(1) USB 2.0 professional ...