Electro-Voice QRX-218S-BLK Passive Subwoofer

The QRX-218S-BLK is a black dual 18-inch subwoofer rated at 1200 watts. Rear-mounted pocket wheels help move the cabinet, and a 30-inch pole is included for the supported speaker arrangement. The two low-frequency drivers supply the bass section of a PA system, with amplification and crossover processing provided by the connected system.