JBL SRX818SP Powered Subwoofer Speaker

Built rugged and smart, the JBL SRX818SP offers you plenty of control of its 1,000-watt output via its customizable DSP and 20 parametric EQs.

The JBL SRX818SP represents the next generation of premium powered loudspeaker technology from JBL Professional. Featuring 3-inch voice coils, 1000 watts of Crown Amplification, rugged enclosures with JBL's patented DuraFlex coating, and a full suite of onboard user configurable DSP, the SRX818SP is a perfect subwoofer wherever high performance, comprehensive control, and pristine sound are required.

The SRX818SP features a full suite of onboard user configurable DSP including 20 PEQs, 2 seconds of delay, signal generators, input mixing, amplifier monitoring, and 50 slots for recallable presets, including 10 JBL-engineered application presets. In addition, the system is compatible with V5 JBL Tunings, and features 96kHz FIR Filters, and LevelMax(TM) Limiting providing compatibility with our flagship Vertec and VTX touring systems.

All of this is easily controlled by Audio Architect, HiQnet Motion Control(TM) iOS app, and a standalone application for iOS, Android, Mac, and PC. 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.


- Purposeful Design: Rugged, Intuitive to Use, Easy to Transport
- 1000 Watts of Crown Amplification
- JBL Premium Transducers with 3-inch voice coils
- Full Suite of User-Configurable DSP including 20 PEQs and 96kHz FIR filters
- Network Control via HiQNet, Audio Architect, and standalone apps for iOS, Android, Mac, read more and PC
WARNING: Cancer and Reproductive Harm - www.p65Warnings.ca.gov.
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- System Type: Self powered 18", subwoofer system
- Maximum SPL Output: 135dB
- Frequency Range (-10dB): 29hz - 150khz
- Frequency Response (- 3dB): 35hz - 120khz

- System Power Rating: 1000W Peak, 750W Continuous
- Input Impedance: 40k balanced, 20k unbalanced
- Line Input Gain: 21 dB
- Consumer Input Gain: 33 dB
- Mic Input Gain: -
- Max Input Level:
- Line: 20dBu
- Consumer: 8dBu

- Connectors: Neutrik 1/4 - 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 50/60Hz
- AC Power Consumption (120V): 2.2A (1/8th Power), 5.6A (1/3rd Power)

Speaker Specification:
- LF Driver: 2279F
- MF Driver: -
- HF Driver: -
- Coverage Pattern: -
- Crossover Frequency: 80hz

- Material: 18mm plywood
- Monitor Angle:
- Suspension/Mounting: M20 Threaded Pole Mount
- Handles: 4
- Finish: Obsidian Duraflex(TM) finish
- Grille: Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
- Pole Socket Size: M20 threaded
- Dimensions (L x W x H): 26.89" x 26.92" x 22.62" (683mm x 684mm x 575mm)
- Weight: 87.0 lbs (39.5kg)
- Shipping Weight: 103 lbs (46.8kg)
Dimensions and Weight in Packaging
Single Speaker
Shipping Weight: 108 lbs
Shipping Dimensions: 32 x 32 x 25 in
Manufacturer Part Number (MPN): SRX818SP

For support or warranty questions, please contact the manufacturer:
Phone: 800-336-4525
Web: https://jblpro.com/en/support for pro audio, https://support.jbl.com for consumer/home audio

Reviewers gave this product an overall rating of 5 out of 5 stars. (1 ratings)
Submitted September 6, 2017 by Jason K in Douglassville, PA

"What a sub woofer should sound like "

Overall: 5 out of 5 stars
(see rating details)
Wonderful full, clear and detailed sound. Not flabby or muddy. JBL quality, these 18" speakers are series. Put them in our church which replaced QSC subs. What an improvement.

Musical Background:

Audio Engineer

Musical Style:

Christian praise and worship
13 of 14 people (93%) people found this review helpful. Did you?
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Single Speaker

  • 18 x
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    $164.92 with zZounds
  • 8 x
    $247.38 with zZounds
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