Description
The JBL PRX918XLF powered subwoofer takes portable PA performance to the next level with cutting-edge acoustics, comprehensive DSP and unparalleled power—all controlled via the JBL Pro Connect app. This 18" sub is built to leverage JBL´s most advanced innovations, with a high-efficiency Class-D amplifier powering a next-gen driver for chest-thumping bass and smooth low-frequency extension at max volume.
Class-Leading DSP Via App or Onboard Controls
The PRX918XLF´s DSP package is accessible through the JBL Pro Connect app or onboard LCD, with 6-band parametric EQ, low-pass filter and 20ms delay for nuanced tuning and tonal shaping. The app provides complete control of up to 10 connected speakers, enabling speaker snapshots, grouping and app-only features.
Road-Ready Cabinet Construction
Housed in an 18 mm birch cabinet with optimized bracing, the PRX918XLF is built to handle the rigors of touring. It delivers flat, powerful low-end response and high durability, reinforced by JBL´s stringent testing protocols and backed by a seven-year warranty.
Versatile Low-End Solution
The PRX918XLF is a flexible subwoofer for DJs, bands, venues or anyone seeking a portable professional system to provide impactful low end in any scenario. Pair it with JBL´s EON ONE MK2, PRX ONE or EON700 full-range systems for a complete, high-powered rig with app-controlled performance and tuning.
Seismic Bass With Sonic Clarity
JBL´s advanced 18" woofer and high-output amplifier deliver seismic low-end frequencies with minimal distortion for powerful, defined bass. The PRX918XLF´s innovative acoustics ensure your low end cuts through the mix with the utmost clarity and precision.
Features
- 918SG 18" ferrite magnet woofer
- Low-noise, low-distortion gain staging design
- Lightweight, efficient Class-D amplification
- Color LCD screen provides access to comprehensive DSP suite
- DriveRack Technology includes Automatic Feedback Suppression, system limiter and 180 ms of speaker delay in 100-microsecond intervals for precise time-aligned systems
- Optimized presets for pairing full-range speakers and subwoofers
- JBL Pro Connect app allows full system control of up to 10 speakers and line integration with JBL EON ONE MK2, PRX ONE and EON700 systems
- BLE networking via JBL Pro Connect app
- 18 mm birch cabinet features optimized bracing for smooth low-frequency response
- Quiet fanless operation
Specs
Transducer: 918SG 18" ferrite magnet wooferAmplification: Class-DPower: 2,000W peak/1,000W RMSFrequency response: 30Hz–110Hz @ 2pi (–10dB); 35Hz–92Hz @ 2pi (–3dB)Max SPL: 134dBI/O- XLR balanced combo jacks: 2
- XLR pass-through outs: 2
Other- Mount: M20 pole cup
- Ultralow system latency: < 1 ms
- Integrated handles: 2 (top and side)
Product Weight and Dimensions- Weight: 89.7 lb.
- Dimensions (HxWxD): 27.3" 23.3" x 25.7"





