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Electro Voice : QRX-118S

By: Electro Voice
Pro-audio Products
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
Compact 18-inch Subwoofer

The Electro-Voice QRX-118S 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-rotable asymmetrical horns have a 15-degree downward bias to ensure high-frequency coverage without the need to tilt the enclosure toward the audience. Our 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-118S one of the best values in the industry.


QRX-118S features include:

  • 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)
Axial Sensitivity (SPL, 1 W @ 1 m) 98 dB
Chassis Size 457.2 mm (18")
Color Black, White
Coverage (Nominal -6 dB) Essentially Omni
Input Connections Parallel Neutrik® NL4
Nominal Impedance 8 Ω
Speaker Type Subs
Frequency Response (-3 dB) 45 - 150 Hz
Frequency Response (-10 dB) 38 - 250 Hz
Recommended High-Pass Frequency 36 Hz 12 dB/octave
Sensitivity 1 W/1 m 98 dB
Max. SPL/1m (calc) 137 dB
System Power Handling (Continuous/Program/Peak) 600//2400 Watts
LF Transducer EVX180B
LF Power Handling 600 Watts
LF Nominal Impedance 8 Ω
Crossover Frequency 100 Hz 24 dB/octave
Flying No
Outdoor No
Height 902 mm (35.51")
Width 450 mm (17.72")
Depth 600 mm (23.62")
Weight Net 47.5 kg (104.72 lbs)
Power handling 600 W continuous, 2400 W peak


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Prices and specifications subject to change without notice.