Mr. Dj PP3500MP3+ Bass Amplifier Preamp Bass & Trebble Equalizer 2-Way 3000 Watts Max Power 1.34 Titanium Driver Supports 16GB USB/SD Readers 50 Oz Woofer Nagnet Bass & Treble Equalizer ^2-Way 3000 Watts Max Power ^1.34 Titanium Driver ^Supports 16GB USB/SD Readers ^50 Oz Woofer Magnet