ISIS WL218-sw WideLine Subwoofer
Specifications

WL218-sw

SPECIFICATIONS	WL218-sw
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) Continuous: Peak:	133 dB 139 dB
Enclosure
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)

¹ Half-space conditions
² 2 hours, AES1984-2, 40 - 400 Hz, tested as system

Specifications subject to change without notice.

FEATURES

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
Ample "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

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