Mr. Dj PBX5000BT Professional 18" Full Portable Range 2 Way Bass Reflex Active Speaker, Max Power 5000 Watts P.M.P.O,Built-in Bluetooth Technology, Mp3, USB, SD Card Reader 2 way bass reflex Active speaker, max power 5000 Watts P.M.P.O Built-in Bluetooth Technology, MP3, USB, SD card Reader Class D amplifier, built-in 5 band Graphic EQ, USB connection ready, microphone in XLR or 1/4" Jack, line in XLR or RCA jack in allows you to connect an external audio device Line output XLR or 1/4" Jack for external audio device, MP3 control, digital LCD and remote control Woofer 18" 70 oz Magnet 3" Voice coil, tweeter 1.75" Compression driver Class D amplifier, 5000 watts, 500 watts RMS