*Built-in JBL DrivePack® DPC-2 amplifier module designed in conjunction with Crown provides 1500 Watts of peak Power. DSP based resident input module provides system optimization, EQ and crossover functionality. *18 inch, 2268FF dual voice coil, neodymium magnet Differential Drive® woofer for high-power capacity and light weight. *Integral rigging hardware for simple connection of enclosures and optional array frame. *20 mm threaded pole socket for solid, secure satellite speaker mounting. *Large port area for reduced distortion.