Electro-Voice QRx 218s 18" Passive Subwoofer

Dual 18-inch sub with 1,200 watt continuous, 4,800 watts peak power handling.Easily delivers 133 dB SPL 1 w/1 m (139 dB peaks 1 w/1 m) at full power Two concert-proven EVX180B woofers with 4-inch voice coils have incredible fatigue resistance and excellent long-term reliability. Usable response extends to 31 Hz. Enclosure is built of 13-ply, void-free, grain-oriented Birch plywood finished in Futura, a sprayed-on polyurethane finish that is very rugged. Standard versions of the QRx218S are equipped with rear-mounted pocket wheels and handles to allow one person to comfortably move the enclosure. The standard versions also have a metal stand socket and are shipped with a 34-inch steel pole for elevating satellite speakers. The QRx218S is available with L-track rigging as a special order option. The rigging versions have L-track on the top and bottom plus a single-stud pull-up point on the back. The rigging versions do not come with wheels or a stand mount.

• Frequency Response (-3dB): 35 - 125 Hz
• Frequency Response (-10dB): 35 - 250 Hz
• Recommended High-Pass Frequency: 35 Hz
• Sensitivity 1W/1m: 99 dB
• Max. SPL / 1m (calc): 134 dB
• System Power Handling (continuous/program/peak): 1200/2400/4800 Watts
• LF Transducer: (2) EVX180B
• Nominal Impedance (Passive): 4 Ohms
• Color: Black
• Flying: Optional
• Input Connections: Parallel Neutrik® NL4
• Outdoor: No
• Chassis Size: 18 inches
• Internal Crossover: No
• Speaker Type: Subs
• Weight Net: 149.91 lbs
• Dimensions (HxWxD): 39.96" x 22.05" x 23.62"

  What is the Electro-Voice QRx 218S?
A: The Electro-Voice QRx 218S is a dual 18-inch passive subwoofer designed for high-output, professional sound reinforcement in concerts, clubs, and touring systems.

  Is the QRx 218S a powered subwoofer?
A: No. It is a passive subwoofer, meaning it requires an external power amplifier and DSP for operation.

  How powerful is the QRx 218S?
A:

• 1200W continuous power handling
• 4800W peak power

  What amplifier is recommended for QRx 218S?
A: Use a high-performance amplifier capable of:

• 1500W–2500W at 4 ohms per channel

  What speakers pair well with QRx 218S?
A: Best matches include:

• EV QRx series tops
• High-output full-range speakers

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