Integrated MP3 player with USB, SD(TM) Card & Bluetooth(R) connections; 600W peak, 150W RMS Class AB built-in amp; Master volume, bass, treble, echo & microphone volume controls; RCA, microphone, guitar with VCV power & aux input & RCA mix output; Imp: 4ohm ; 12″ LF woofer with 2″ voice coil; Pure titanium 1″ HF compression driver; Linear freq resp: 50Hz-20kHz; Wide dispersion horn with forward bass reflex ports; ABS impact-resistant nylon fiber cabinet; Top & side handles for easy carrying; Clip LED alert; Flyable & stand mountable; Includes 2 microphones & rechargeable battery;