QSC Speaker WL218-sw-BK/WH


QSC WL218-sw ลำโพง Dual 18″ portable subwoofer, can be ground stacked or suspended in arrays using integral array construction suspension hardware, includes transportation dolly, available in black and white.

The QSC WideLine is a full range line array loudspeaker system designed for use in a wide variety of venues, ranging from ballrooms, theaters and nightclubs to concert halls, houses of worship and arenas. The WideLine features an open, natural sound quality and exceptionally wide 140° horizontal coverage pattern – the widest of any line array system currently available.


  • 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 layerspiders 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
Low Frequency Transducer 2 x 850 W, 8 ohm 18″ woofer with a 4″ voice coil, ceramic magnet assembly
Frequency Response (±3 dB) 1
Frequency Response (-10 dB) 1
37 Hz – 200 Hz (without processing)
31 Hz – 1 kHz (without processing)
Nominal Impedance 4 ohms
Continuous Power Capacity 2 1700 W
Max Recommended Power 3000 W
Sensitivity (1 W at 1 m) 1 101 dB
Maximum Output (SPL at 1 m)
133 dB
139 dB
Cabinet Type Vented, trapezoidal enclosure
Material Baltic birch plywood / 36 mm baffle and side panels; 15 mm top and bottom
Finish Black texture coat
Grille 14 gauge powder coated steel
Connectors (2) NL4
Pin Outs Pins
1+/1- Sub
2+/2- NC
Attachment Points Integral, adjustable rigging system, vertical splay adjustable in 1° increments from 0° – 10°
Weight 204 lbs (92.5 kg) net
244 lbs (110 kg) shipping (includes dolly)
Dimensions (HxWxD) 21.3″ x 45.9″ x 34.75″
(541 mm x 1166 mm x 882 mm)
Accessories Available AF218-sw Array Frame (optional)
COVER WL218-sw Soft Cover (optional)