Mr. Dj PRO-SUB15AMP 15-Inch 5400W Maximum Peak Power Self-Powered Subwoofer with Crossover 15" woofer with 3" Voice Coil XLR & 6.35mm Jack Input Balanced XLR inputs (stereo) with loop through to top speakers or use the simple 1/4 inch speaker level mono input and Speakon Output