JBL MRX528S

The MRX528S is a compact, high power subwoofer system containing dual 2044H 457 mm (18") woofer 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 fullrange 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.

Specifications:
Frequency Range (-10 dB) : 35 Hz – 250 Hz
Frequency Response (±3 dB) : 40 Hz – 250 Hz
Input Connection Modes : Internally configurable, +1/-1 or +2/-2
Recommended Crossover : 80 - 120 Hz, 24 - 48 dB/octave
Power Rating : 1000 W/ 2000 W/ 4000 W, 2 hrs1
(Continuous/Program/Peak) 800 W/ 1600 W/ 3200 W, 100 hrs1
Maximum SPL : 133 dB SPL continuous (139 dB SPL peak)2
System Sensitivity (1w @ 1m) : 97 dB SPL; 103 dB SPL2
LF Driver : 2 x JBL 2044H 457 mm (18 in) woofers
Nominal Impedance : 4 ohms
Enclosure : Rectangular, 18mm, birch plywood
Finish : Black DuraFlex™ finish
Grille : Powder coated, black, 16 gauge perforated steel with
acoustically transparent black screen backing.
Input Connectors : Neutrik® Speakon® NL-4 (x2)

Dimensions and Weight :
Dimensions (H x W x D) : 1095 mm x 535 mm x 700 mm
(43 in x 21 in x 27.5 in)
Net Weight : 55 kg (121 lb)

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