Big power handling and flexible connections.

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The JBL MRX528S is a compact, portable high-power subwoofer with dual 2044H 18" woofers in a front-loaded, vented enclosure. The JBL speaker 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 subwoofer speaker 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 JBL 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 Features:

Dual 18" 2044H drivers for extended low-frequency output
Large vent area for reduced distortion
Vertical orientation for convenient ground stacking
Tough DuraFlex finish enclosure

Applications:
Live performance venues
Mobile and fixed DJ systems

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