JBL-SRX918S
18-inch Powered Subwoofer
Model Description
JBL SRX918S is a premium professional active subwoofer featuring an 18-inch driver, designed for concert sound, touring systems, and permanent installations. It delivers powerful, deep, and accurate low-frequency reproduction, perfectly complementing SRX series full-range loudspeakers and other professional PA solutions.
The subwoofer is equipped with a high-efficiency Class D amplifier, providing high sound pressure levels, excellent dynamics, and reliable operation even under prolonged heavy use. The built-in DSP offers advanced configuration options, including crossover, EQ, limiters, and delay, as well as network control via JBL’s dedicated software.
Its touring-grade plywood enclosure with reinforced construction ensures durability during intensive use and frequent transportation. The JBL SRX918S can be used as a standalone subwoofer or as part of a scalable subwoofer system, making it an ideal choice for professionals who require maximum control and powerful low-frequency performance.
Key Features
- High-performance, high-density system solution in a truck-pack friendly format
- High-power-handling transducers deliver low distortion, high fidelity, and class-leading output
- Built-in, passively cooled Class D amplification with a universal power supply
- Dual Ethernet ports with Neutrik etherCON connectors
- Supports HARMAN HControl Ethernet
- User-controllable DSP
- LevelMax limiting uses sophisticated excursion-control algorithms to protect transducers
- Rear-panel LCD provides complete access to control features
- Reinforced 18mm plywood enclosures
PURPOSEFUL DESIGN
Every detail in the SRX800 Series was purposefully designed and thought through with full consideration for its intended use. Ergonomically designed handles support an easy, non-fatiguing grip for streamlined handling. M10 suspension points, indexed feet, and pole/tripod mounts support a wide, flexible array of configurations.
TRANSDUCER TECHNOLOGY
JBL’s patented Differential Drive® Technology ferrite drivers incorporate 3" voice coils with lower mass ferrite magnets for reduced weight, increased power handling, exceptionally low distortion and extended low frequency response. JBL’s 2432H is the only neodymium 3" voice coil compression driver in this class, delivering very high power levels and smooth, crystal clear sound.
DRIVECORE BY CROWN
Each model is powered by Crown proprietary front-end DriveCore technology featuring a massive 2000W Power Rating, the highest power rating in this class of loudspeakers. With a remarkable 103dB signal-to-noise ratio, the SRX800 Series is capable of massive sound pressure levels with exceptional headroom, very low distortion and absolute clarity throughout its frequency range.
HIQNET NETWORK CONTROL
With full HiQnet Network Integration, configuring an SRX800 system is dramatically simplified, saving time while fully automating the control interface configuration. Simple wired control is provided via Ethercon connector and third party wireless router capability is included. Control options include Audio Architect, HiQnet Motion Control™ iOS app, and standalone applications for iOS and Android.
SRX918S Subwoofer Price