The PA subwoofer set includes two CARME-15SPW. The CARME-15SPW is a 1400-Watt class D amplifier (700W continuous, 1400W Peak output) powered subwoofer that boasts a 15 low-frequency driver featuring a die-cast aluminum frame, 4 voice coil and a massive 120oz magnet, delivering solid and mighty bass reinforcement Take full control of your sound and music with the built-in digital signal processor (DSP). It features dynamic bass enhancement, RMS dynamic processor, 2nd order IIR filter, and 4 digital EQ presets, allowing precise customization of your audio and providing more control over your sound 2 XLR-1/4 combo and 2 XLR (through or HPF switchable) outputs provide great connection and flexibility. The pole mount socket (M20) accommodates a satellite speaker for optimal full-range PA performance