JBL SRX818P 18" Powered Subwoofer (Unit)


1x JBL Premium 18" Driver 135 dB Max SPL 35 to 120 Hz (-3 dB) Frequency Response 1000W Peak Crown Drivecore Amp

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Self-Powered Subwoofer System

The SRX800 Series is the next generation high performance powered loudspeaker system comprising three full range and two subwoofer models with an array of features that elevate the SRX800 Series to the best in class of all competitive systems. The 18", SRX818SP subwoofer features legendary JBL Drivers, proprietary 1,000 Watt Crown amplification, Crown Front-End DriveCore Technology, premium JBL user-configurable DSP, V5 Tunings compatible with Vertec and VTX touring systems, and HiQnet Network control options via iOS and Android applications. Drawing on JBL’s long history of groundbreaking technology and loudspeaker design, the SRX800 Series meets the needs of touring houses, installations, and the most demanding live sound applications ensuring they can deploy a no-compromise, all-in-one solution featuring legendary JBL sound and performance, a wide array of configurability, and compatibility with JBL’s flagship touring systems.


  • Purposeful Design: Rugged, Intuitive to Use, Easy to Transport
  • JBL Premium Transducers
  • Drivecore Amplification By Crown
  • Full User Configurable DSP
  • 18" Subwoofer
  • Network Control
  • JBL Engineered Application Presets
  • LCD Screen and Glow in the Dark Ink on Back Panel
  • M10 Suspension Points
  • M20 Threaded Pole Mount


System TypeSelf powered 18”, subwoofer system

Max SPL Output135 dB

Frequency Range (-10 dB)29 Hz - 150 Hz

Frequency Response (-3 dB)35 Hz - 120 Hz

Amplifier DesignClass D

Power Rating1000 W Peak

(H x W x D)
575 x 684 x 683 (mm)
22.62 x 26.92 x 26.89 (in)

Net Weight39.5 kg (87 lb)