Order Number: PRD000143-001
More Ordering Information


Dual 18" Passive Subwoofer

  • High-power LF supplement to TX2152
  • Low-distortion port design
  • Two high-excursion EVS-18S woofers
  • Use with processor and dedicated amp channel
  • 103 dB sensitivity, 138 dB max SPL 
  • Power handling: 1000 W continuous, 4000 W peak
  • Mount points (6) for optional wheel kit
  • Braced plywood/MDF enclosure
  • Black EVCoat™ finish


Available Color Black
Depth 27.2" (691mm)
Enclosure Material Plywood and MDF with EVCOAT

Family Tour X
Flying No
Frequency Response (-10 dB) 40 - 1500Hz
Frequency Response (-3 dB) 50 - 160Hz
Height 45.43" (1154mm)
Input Connections Parallel Neutrik® NL4
Internal Crossover No
LF Transducer Two 18-inch EVS18S
Max. SPL/1m (calc) 138dB
Minimum Impedance 2.9Ω
Nominal Impedance (Passive)
Power Rating 4000W
Powered or Passive Passive
Recommended Low-Pass Frequency 80 - 120Hz
Sensitivity 1 W/1 m 103dB
Speaker Type Subwoofer
System Power Handling (Continuous/Program/Peak) 1000//4000Watts
Weight Net 123.68lbs (56.1kg)
Width 20" (508mm)
Woofer Size 18inch

Similar Products

QRx 118S
Compact 18" Subwoofer

QRx 218S
Compact Dual 18" Subwoofer

Complementary Products

Dual 15" 2-Way Passive Full-Range Loudspeaker


Name Language Size Date
Portable Speaker Family Brochure EN 31.44MB Oct 4, 2017
Speaker & Electronics Catalog EN 18.91MB Jun 10, 2015
Tour X Brochure EN 3.68MB Dec 4, 2008
Name Type Size Date
Tour X EASE Data ZIP 191KB Aug 3, 2009
Name Language Size Date
TX2181 Engineering Data Sheet EN 249KB Mar 21, 2012
Name Type Size Date
Tour X Presets for DX38 ZIP 511KB Mar 12, 2009
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



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