For those performance situations where additional low-frequency output and punch are required; even beyond the already-impressive bass capability of the TS2 full-range speakers; the new TS2 powered subwoofers are the perfect solution. Pair TS218S with any full-range speaker system to extend the bass response and dramatically enhance the overall impact of the music being played.Features1250 watts of peak power outputCustom engineered high-efficiency Class D amplifiers with passive cooling design – no fan means the speaker runs cleaner, quieter and has greater long-term reliability18-inch high-excursion woofer(2) XLR+1/4-inch combo inputs + (2) balanced XLR line outputsPolarity Reverse, Full-Range Output and Extended LF controlsElectronic clip, thermal and transducer overdrive protectionRugged, internally-braced front-ported plywood cabinetIntegrated 35mm speaker pole socket and M10 rigging points.