PRODUCT OVERVIEW
The WL218-sw is a premium, high-performance, dual 18″ subwoofer designed for suspended or ground stacked use in the most demanding touring or installed concert applications. With an impressive combination of punch, low-frequency extension and accuracy, the WL218-sw is an ideal companion for QSC?s acclaimed WideLine as well as other professional sound reinforcement systems.

Features

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.