Specification :

The VRX918SP is a powered, suspendable subwoofer system containing a 2268FF neodymium magnet, patented Differential Drive® , 18 " woofer in a front-loaded, vented enclosure. The VRX918SP was designed specifically for use in arrays with the VRX932LAP Line Array speaker and VRX-AF Array Frame. In addition it may also be used in arrays consisting entirely of VRX918SP subwoofers.

Features : Specifications :
Built-in JBL Drivepack® DPC-2 amplifier module designed by Crown provides 1500 Watts of peak Power. DSP based resident input module provides system optimization, EQ and crossover functionality.
18 inch, 2268FF dual voice coil, neodymium magnet Differential Drive® woofer for high-power capacity and light weight.
Integral rigging hardware for simple connection of enclosures and optional array frame.
20 mm threaded pole socket for solid, secure satellite speaker mounting.
Large port area for reduced distortion.

Power Rating : 1500 Watts Peak
LF: Dual-Bridged Technologyâ„¢ , Class D
Frequency Range : 31 Hz – 220 Hz
Dimensions
( H x W x D) : 508 mm x 597 mm x 749 mm
( 20.0 in x 23.5 in x 29.5 in)
Frequency Response : 34 Hz – 220 Hz
Maximum Peak Output : 126 dB SPL at 1m
Bandpass Nominal Impedance : LF: 2 x 2 ohms
LF Driver : 1 x JBL 2268FF 457 mm ( 18 in) dual voice coil
Differential Drive® woofer with neodymium-magnet
Audio Input Connector : XLR with loop through
User Controls : Input Attenuator ( 0-16 dB)
Selectable 80 Hz or 120 Hz Low Pass
80 Hz High-Pass enable/ disable for XLR loop thru.
Signal Processing : DSP based, resident in Input Module
System Management : DSP based limiters for mechanical and thermal protection
AC Power Operating Range : 90-132 VAC or 216-264 VAC, 50/ 60Hz
AC Line Voltage : User selectable: 120V/ 240V ( -15% , + 10% )
AC Input Connector : Neutrik PowerCon ( NAC 3MPA)
AC Loop Through Connector : Neutrik PowerCon ( NAC 3MPB)
AC Current Requirements : 6A per system at 120V, 3A per system at 240V
Enclosure : 18 mm birch plywood.
Suspension / Mounting : Optional VRX-AF line-array frame kit or 10 mm forged eyebolts
Finish : Black DuraFlexâ„¢ finish
Grille : Powder coated, black, 16-gauge perforated steel with
acoustically transparent foam
Net Weight : 38.5 kg ( 85 lb)
Optional Accessories : VRX-AF array frame
SRX718S-CVR: Pull-over padded cover ( works with WK-4S)
SS4-BK adjustable satellite speaker pole WK-4S Caster kit