QSC GP218-sw-BK 2x18" Vented Line Array Subwoofer, Black

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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™ series as well as other professional sound reinforcement systems.

Simple, convenient suspension system based on the proven QSC WideLine design. Supports up to 8 WL218-sw subwoofers with 10:1 design factor
Very high acoustic output capability - 139 dB SPL (1m) 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", 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
Configuration: 2 x 18" vented subwoofer
LF Transducer: 2 x 850W, 8 Ω 18" woofer with a 4" voice coil, ceramic magnet assembly
Frequency Response (±3 dB): 37 Hz - 200 Hz (without processing)
Frequency Response (-10 dB): 31 Hz - 1 kHz (without processing)
Nominal Impedance: 4 Ω
Continuous Power Capacity: 1700W
Max. Recommended Power: 3000W
Sensitivity (1W at 1 m): 101 dB
Max. Output (SPL @ 1 m): 133 dB continuous, 139 dB peak
Cabinet Type: Vented, trapezoidal enclosure
Material: Baltic birch plywood
Grille: 14 gauge powder coated steel
Connectors: Two NL4
Attachment Points: Integral, adjustable rigging system, vertical splay adjustable in 1° increments
Net: 204 lbs. (92.5 kg)
Shipping: 244 lbs. (110 kg)
Dimensions (H x W x D): 21.3" x 45.9" x 34.75" (54.1 x 116.6 x 88.2 cm)