Dolphin SP-30 BT Bluetooth 2400 Watt 2-Way Party Speaker Stereo System with SD Card Reader, FM Radio, 3.5mm AUX Input and Sound Activated DJ Lights. Hand and Wheels for was portability 5-Band equalizer (EQ) with Treble and Bass knobs so you can fine tune the sound if you would like. 2 Microphone/Guitar inputs each with dedicated volume and echo controls. High Definition 180W RMS (2400W PMPO) with zero distortion. Features a 2-Way configuration (2 Woofers and a Horn Drive) for pitch perfect lows and highs. Sound activated traffic light flashes to the music.