QFX SBX-412300BT Speaker with Built-In Amplifier Bluetooth - Red Professional Bluetooth cabinet speaker with 4,000W PMPO of raw music power as RGB LED speaker lights pulse to the beat. Built-in amplifier, equalizer, three 12 inch woofers and three 1 inch tweeters USB/SD playback and an FM tuner USB port can charge cell phones and MP3 players Remote control included