Electro Voice QRX-218S 1200w Compact Dual 18" Subwoofer - EVCoat Black



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The QRx series has become the standard for regional sound companies, rental professionals, and contractors who want compact high-performance loudspeakers with concert-grade EV components. Covered with rugged EVCOAT, QRx looks great stacked, on poles, as monitors, or flown with simple, integrated, L-track rigging points. Unique, fully-rotatable asymmetrical horns have a 15-degree downward bias to ensure high-frequency coverage without the need to tilt the enclosure toward the audience. Electro-Voice's powerhouse DH7 large-format driver (three-inch voice-coil, 1.4-inch exit) provides the high-frequency engine, while a selection of DL and EVX woofers anchor the low and sub frequencies. The combination of high-level components, unique design, and versatility make QRx series one of the best values in the industry.



  • High-level extended LF with concert proven performance
  • Accurate transient detail
  • Available in Standard and Riggable (L-Track) versions
  • EVX-180B woofers for superior linear excursion
  • High sensitivity, 139 db maximum SPL (peak)
  • Power handling: 1200 W continuous, 4800 W peak
  • Rectangular 13-ply birch vented enclosure
  • Built-in handles and sealed pocket wheels (Standard )
  • Integrated pole-mount receptacle (Standard )
  • Black EVCoat finish (white by special order)


  • Axial Sensitivity (SPL, 1 W @ 1 m): 102 dB
  • Chassis Size: 18" (457.2 mm)
  • Color: Black, White, Unfinished
  • Coverage (Nominal -6 dB): Essentially Omni
  • Input Connections: 2 Neutrik® NL4
  • Speaker Type: Subs
  • Frequency Response (-3 dB): 38 - 125 Hz
  • Frequency Response (-10 dB): 31 - 250 Hz
  • Internal Crossover: No
  • Recommended High-Pass Frequency: 35 Hz 12 dB/octave
  • Sensitivity 1 W/1 m: 102 dB
  • Max. SPL/1m (calc): 139 dB
  • System Power Handling (Continuous/Program/Peak): 1200//4800 Watts
  • LF Transducer: Two 18-inch EVX180B
  • Crossover Frequency: 100 Hz 24 dB/octave
  • Nominal Impedance (Passive): 4 Ω
  • Flying: Optional
  • Outdoor: No

Manufacturer: Electro-Voice
Model: QRX-218S-BLK
Warranty: See manufacturer website for details
SKU: I126591-N-0
UPC: #800549698252
Listing ID: NA41667