1) USB 2.0 outdoor speaker, for stage,shop and outdoor 2) professional speaker with USB,SD,remote control 3) high output power USB 2.0 outdoor speakerOutput(RMS): ... 8" woofersCarton Dimension(mm): 560*360*560Carton Meas(m³): 0.1098Pc/CTN: 1G.W.(kg): 22Loading Qty(sets)20'G ... 619High-power; euphonious alt, sweet mediant, voluminous bassusb outdoor speaker with USB, SD card, FM, remote control, display