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JBL MRX528S Dual 18 JBL MRX528S Dual 18" Subwoofer


Big power handling and flexible connections.

The MRX528S is a compact, portable high power subwoofer with dual 2044H 18" woofers in a front loaded, vented enclosure. The enclosure is designed to present a minimum frontal area. It is also configured in an upright format to permit the convenient stacking of full range enclosures on top without the need for an additional pole. 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 MRX528S 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. The enclosure is constructed of quality plywood, coated in JBL's rugged DuraFlex finish and is 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 MRX528S Dual 18" Subwoofer Specifications:

  • Frequency range: 35Hz 250Hz
  • Frequency response: 40Hz 250Hz
  • Sensitivity: 97dB SPL; 103dB SPL
  • Nominal impedance: 4 ohms
  • Power capacity (continuous/program/peak): 1000W/2000W/4000W
  • Rated maximum SPL: 133dB SPL (139dB SPL)*
  • Coverage pattern: 70° x 70° nominal
  • Dimensions: 21"W x 43"H x 27.5"D
  • Weight: 121 lbs.
  • *Calculated on half space condition

JBL MRX528S Dual 18" Subwoofer Features: