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Buy JBL MRX518S Single 18" Subwoofer at discount prices
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JBL MRX518S Single 18 JBL MRX518S Single 18" Subwoofer


Super compact with flexible connections and mounting possibilities.

The MRX518S is a compact, high power subwoofer containing a 2044G 18" woofer in a front loaded, vented enclosure. The speaker enclosure is designed to present a minimum frontal area. The system offers complete input connection flexibility for compatibility with a variety of cabling schemes. The input panel incorporates a pair of Neutrik Speakon NL 4 connectors wired in parallel. The MRX518S is supplied with pins +1/ 1 connected to the woofer. This may be easily reconfigured to work with cabling systems intended to drive subwoofers on pins +2/ 2. For "subwoofer/satellite" configurations, the MRX518S audio speaker is equipped with a top mounted, 36mm polemount socket that can receive the optional SS3 BK pole. This can be used to mount speakers equipped with standard 35mm pole sockets and weighing up to 100 lbs. The enclosure is constructed of top quality plywood, coated in JBL's rugged DuraFlex finish, and braced to maximize low frequency performance. The attractive CNC machined, 16 gauge steel grille is internally lined with an acoustically transparent screen to provide additional driver protection and give a very professional appearance.

JBL MRX518S Single 18" Subwoofer Specifications:

  • Frequency range: 40Hz 200Hz
  • Frequency response: 45Hz 200Hz
  • Sensitivity: 94dB SPL; 100dB SPL
  • Nominal impedance: 4 ohms
  • Power capacity (continuous/program/peak): 500W/1000W/2000W, 400W/800W/1600W
  • Rated maximum SPL: 127dB SPL (133dB SPL)*
  • Dimensions: 21"W x 22"H x 27.5"D
  • Weight: 72 lbs.
  • *Calculated on half space condition

JBL MRX518S Single 18" Subwoofer Features: