Everything In Music - Since 1958

JBL SRX828SP Dual 18" Self-Powered Subwoofer System

  • Our Price
  • $2,019.00
  • Regular price MSRP: $2,523.75


Bring Down The House With Thunderous Bass With The JBL SRX828SP Dual 18--" Self-Powered Subwoofer System

The SRX828SP is a powered portable subwoofer in the SRX800 series from JBL Professional. It has been designed to deliver class leading performance in a variety of applications including small and medium sized installations and tours. When used in conjunction with the SRX800 full range systems and other SRX800 subs, SRX828SP in an integral part of a high performance, fully configurable loudspeaker system. With and M20 pole cup and indexed feet, the SRX828SP can be configured for a variety of applications, including being stacked in a cardioid configuration for large shows on stage. For incredible extended low frequency response, the SRX828SP uses an 18-inch woofer with JBL’s patented Differential Drive Technology for reduced weight while maximizing power amp efficiency. 3” voice coils and dual ferrite drivers deliver exceptionally low distortion and extended low frequency response. The SRX828SP features a full suite of onboard user configurable DSP including 20 PEQ’s, 2 seconds of delay, signal generators, input mixing, amplifier monitoring, and 50 slots for recallable presets, including several JBL engineered application presets. In addition, the system is compatible with V5 JBL Tunings, and features 96kHz FIR Filters, and Level Max™ Limiting providing compatibility with our flagship Vertec and VTX touring systems.

System control and networking is provided by Audio Architect, and a standalone application for iOS and Android. Simple wired control is provided via an Ethercon connector on the back of the system and wireless control is possible using a standard off the shelf wireless router.



  • System Type: Self powered dual 18”, subwoofer system
  • -nMaximum SPL Output: 141dB
  • Frequency Range (-10 dB): 29Hz – 150Hz
  • Frequency Response (-3 dB): 35Hz – 120Hz


  • System Power Rating: 2000W Peak (1000W x 2),
  • 1500W continuous (750W x 2)
  • Input Impedance: 40k balanced, 20k unbalanced
  • Line Input Gain: 21 dB

Maximum Input Level

  • Line: 20dBu
  • Connectors: Neutrik ¼ - XLR input; Neutrik XLR Output
  • LED Indicators: Power LED (Green), Network Link (Green, Network Data (Yellow)
  • Cooling: On-Demand variable speed fan
  • AC Power Input: 100V - 240V~ 50/60 Hz
  • AC Power Consumption (120V~): 2.2A (1/8th Power), 5.6A (1/3rd Power)


  • LF Driver: (2) 2279F
  • Crossover Frequency: 80Hz


  • Material: 18mm plywood
  • Handles: 8
  • Finish: Obsidian Duraflex™ finish
  • Grille: Powder coated, Onsidian, 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: 145.0 lbs (65.9 kg)
  • Shipping Weight: 165.0 lbs (75.0 kg)

Manufacturer: JBL Professional
Model: SRX828SP
Warranty: See manufacturer website for details
SKU: I350804-1-B