Name: QSC WL218-sw-BK 2X18" Flying Vented Subwoofer 1700W/4 Ohms - 139Db
Brand: QSC
SKU: QSC WL218-sw-BK

Simple, convenient suspension system based on the proven QSC WideLine design. Supports up to eight WL218-sw subwoofers with 10:1 design factor.
Very high acoustic output capability—139 dB SPL (1 m) peak.
Exceptional "punch" combined with low-frequency extension down to 31 Hz.
Comprehensive transport and handling features including an easy to attach dolly and twelve thoughtfully placed handles.
Premium-grade, long-excursion, high-power woofers with 4-inch, fiberglass voice coils, double layer spiders and triple roll surrounds.
Birch ply enclosure with independent, dual chambers and extensive internal bracing for rigidity and solid, accurate reproduction.
Finish available in black.