JBL SRX828S 18" Dual Subwoofer
JBL SRX828S 18" Dual Subwoofer JBL SRX828S 18" Dual Subwoofer JBL SRX828S 18" Dual Subwoofer JBL SRX828S 18" Dual Subwoofer

JBL SRX828S 18" Dual Subwoofer

Product Code: SRX828S
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18" Dual Passive Subwoofer System

JBL's SRX828S is a dual 18” subwoofer for concert, touring, or installed use. Featuring a wide stance for splaying top boxes, indexing feet for stacking in both the standard and cardioid position, and a 141dB max SPL, the SRX828S is an ideal solution for musicians, bands, and DJs, concert use, public speaking, or installations such as performance venues, corporate spaces, educational facilities or houses of worship. Tunings and presets are available for Crown ITech HD and XTI 2 amps as well as dbx VENU360 signal processors.


  • Premium JBL Transducers
  • Rugged, versatile enclosures
  • Tunings available for Crown amps and dbx signal processors
  • Fully supported in Audio Architect
  • Power Handling: 4800W Peak, 2400W Program, 1200W Continuous
  • Frequency Range: 30Hz-150Hz
  • Frequency Response: 47Hz-150Hz
  • Max SPL: 141dB
  • Amplification options: Passive
  • 2x 2279 LF 8 Ohm 18” Woofer


  System Type Passive dual 18”, subwoofer system
  Maximum SPL Output 141dB
  Frequency Range (-10dB) 30hz - 150hz
  Frequency Response (- 3dB) 47hz - 150hz
  Sensitivity (1W/1m) 96dB
  System Power Rating 4800W Peak, 2400W Program, 1200W Continuous
  Nominal Impedance 4 Ohm
  Connectors NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
  Operational Modes Passive
  LF Driver (2x) 2279H
  Crossover Frequency 80hz
  Enclosure Material 18mm plywood
  Casters Accepts JBL WK-4S Kit
  Handles 8
  Finish Obsidian Duraflex™ finish
  Grille Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
  Dimensions (L x W x H) 26.79" x 47.42" x 22.57" (681mm x 1205mm x 574mm)
  Weight 137.0 lbs (62.1g)
  Shipping Weight 147.0 (66.5kg)
Tags: JBL
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