Order Number: QRX-118S-BLK@L
Single 18" subwoofer 600 W, black

More Ordering Information

QRx 118S

Compact 18" Subwoofer

  • Concert-proven high-output performance
  • Accurate transient detail
  • EVX-180B woofer for superior linear excursion
  • High sensitivity, 137 db maximum SPL (peak)
  • Power handling: 600 W continuous, 2400 W peak
  • Rectangular 13-ply birch vented enclosure
  • Built-in handles and 1 3/8-inch pole-mount receptacle
  • Threaded T-nuts (4) for casters or dollies
  • Black EVCoat finish (white by special order)


Available Color Black or white
Axial Sensitivity (SPL, 1 W @ 1 m) 98dB
Chassis Size 457.2 mm

Coverage (Nominal -6 dB) Essentially Omni
Crossover Frequency 100Hz (24 dB/octave)
Depth 23.62" (600mm)
Enclosure Material 13-ply birch plywood
Family QRx
Flying No
Frequency Response (-10 dB) 30 - 250Hz
Frequency Response (-3 dB) 45 - 150Hz
Height 35.51" (902mm)
Input Connections 2 Neutrik® NL4
LF Nominal Impedance
LF Power Handling 600Watts
LF Transducer 18-inch EVX180B
Max. SPL/1m (calc) 137dB
Nominal Impedance
Power Rating 2400W
Powered or Passive Passive
Recommended High-Pass Frequency 36Hz (12 dB/octave)
Sensitivity 1 W/1 m 98dB
Speaker Type Subwoofer
System Power Handling (Continuous/Program/Peak) 600//2400Watts
Weatherized No
Weight Net 104.72lbs (47.5kg)
Width 17.72" (450mm)
Woofer Size 18inch

Similar Products

Dual 18" Passive Subwoofer

QRx 218S
Compact Dual 18" Subwoofer

Complementary Products

QRx 112/75
12" Passive Loudspeaker

QRx 115/75
15" Passive Loudspeaker


Name Language Size Date
Portable Speaker Family Brochure EN 31.44MB Oct 4, 2017
Speaker & Electronics Catalog EN 18.91MB Jun 10, 2015
QRx Twist & Shout Flyer EN 601KB Dec 26, 2007
Name Type Size Date
QRx118s DWG 37KB Dec 26, 2007
Name Type Size Date
QRx EASE3 EXE 350KB Dec 26, 2007
QRx Series EASE Data ZIP 431KB Dec 26, 2007
Name Language Size Date
QRx118S Engineering Data Sheet EN 338KB Oct 20, 2015
Name Type Size Date
QRx AcoustaQwik EXE 301KB Dec 26, 2007
QRx Arrayshow EXE 1.07MB Dec 26, 2007
Name Type Size Date
QRx Presets for RACE ZIP 167KB Dec 26, 2007
R.A.C.E Software Executable EXE 9.57MB Dec 26, 2007
Name Language Size Date
Audio 101 - Loudspeaker Basics EN 3.02MB Dec 13, 2012
EASE Data Explanation EN 934KB Nov 17, 2015
PA Bible 02: Power Handling Capacity EN 422KB Dec 26, 2007
PA Bible 11: Portable Sound Systems for the Small Club EN 470KB Dec 26, 2007

QRx 118S large-trans


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