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Electro-Voice QRx-218S-WH

No Longer Available
This item has either been discontinued by the manufacturer or is no longer available to purchase on our website.

Please Contact Us for more information.

(800) 771-8330

Dual 18" Subwoofer System - White


The QRx 218S is a dual 18" subwoofer with 1200-watt continuous power handling (4800-watt peak). Concert grade EVX180B woofers with four" voice-coils offer incredible fatigue-resistance and excellent long-term reliability.


  • Designed for Club Sound, Concert Sound, Pro Music, and other applications.
  • Subwoofer
  • Direct radiating vented design
  • High Sensitivity
  • Solid bass down to 31 Hz (-10 dB)
  • Rectangular
  • Also perfect in combination with large HP and MH horns
  • Equipped with shown features below
  • Flyable version available


  • Chassis Size: 457.2 mm (18")
  • Color: Black
  • Color: Unfinished
  • Color: White
  • Input Connections: Parallel Neutrik NL4
  • Speaker Type: Subs
  • Frequency Response (-3 dB): 35 - 125 Hz
  • Frequency Response (-10 dB): 35 - 250 Hz
  • Internal Crossover: No
  • Recommended High-Pass Frequency: 35 Hz
  • Sensitivity 1 W/1 m: 102 dB
  • Max. SPL/1m (calc): 134 dB
  • System Power Handling (Continuous/Program/Peak): 1200 Watts
  • LF Transducer: (2) EVX180B
  • Nominal Impedance (Passive): 4 Ω
  • Flying: Optional
  • Outdoor: No
  • Height: 1015 mm (39.96")
  • Width: 560 mm (22.05")
  • Depth: 600 mm (23.62")
  • Weight Net: 68 kg (149.91 lbs)

Q & A

MFR Part Number
Product Category
Unpowered Subwoofers
Unit of Measure
Shipping Weight
160.00 lbs.
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