The VRX918SP is a powered, 18″ direct radiating subwoofer. It is intended for use in suspended arrays or ground-stack applications. The built-in JBL DrivePack DPC-2 amplifier module, designed in cooperation with Crown, provides 1500 Watts of peak power. The DSP based resident input module provides system optimization, EQ and crossover functionality. The integrated suspension system is design for full compatibility with the VRX-AF array frame and the VRX932LAP line array speaker systems. Comes with Flight Case and Stand