$1,399.00 Price reduced from $1,499.00 to Save 7%
JBL PRX918XLF All-New Acoustic Designs - Image

All-New Acoustic Designs

A next-generation 918SG woofer with ferrite magnet delivers smooth, natural bass response, and an FEA flared port design reduces air noise and distortion. It all adds up to clean, accurate, powerful sound at any volume

JBL PRX918XLF Lightweight, Efficient Class D Amplification - Image

Lightweight, Efficient Class D Amplification

Delivers 2,000 watts peak / 1,000 watts RMS for clear, defined bass with smooth low-frequency extension at maximum volume

JBL PRX918XLF Class-Leading DSP - Image

Class-Leading DSP

Includes 6-band parametric EQ for system tuning and nuanced tonal control, plus lowpass filter and 20ms delay


JBL PRX918XLF Onboard Color LCD Screen - Image

Onboard Color LCD Screen

Provides access to comprehensive DSP suite

JBL PRX918XLF JBL Pro Connect App - Image

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

JBL PRX918XLF 18mm Birch Cabinet with Optimized Bracing - Image

18mm Birch Cabinet with Optimized Bracing

For smooth low-frequency response and improved durability

JBL PRX918XLF 7-year Warranty - Image

7-year Warranty

The leader in professional sound for more than 75 years is now backing this product with an unprecedented 7-year warranty, effective from the original receipt date of purchase

Frequently Bought Together

Specs & Downloads



The PRX918XLF subwoofer, part of the JBL PRX900 Series powered loudspeakers and subwoofers, takes professional portable PA performance to a new level with advanced acoustics, comprehensive DSP, unrivaled power performance and durability and complete BLE control via the JBL Pro Connect app. This 18-inch powered subwoofer is built from the ground up to leverage JBL’s most advanced acoustic innovations. A next-generation driver—powered by an ultra-efficient Class D amplifier—delivers clear, defined bass with smooth low-frequency extension at maximum volume. The PRX918XLF’s class-leading DSP package, accessible via onboard LCD or the JBL Pro Connect app, includes 6-band parametric EQ for system tuning and nuanced tonal control, plus a lowpass filter and 20ms delay. The JBL Pro Connect app provides complete hardware and DSP control of up to 10 speakers; integrate with JBL EON ONE MK2, PRX ONE and EON700 systems, and access app-only functions including speaker snapshots and grouping. The PRX918XLF is designed to withstand the rigors of the road, and is enclosed in an 18mm birch cabinet with optimized bracing for smooth low-frequency response and improved durability. Like with every JBL product, everything is reinforced by industry-leading test and validation protocols and backed by a seven-year warranty. The PRX900 Series is a versatile solution for DJs and bands, music venues, rental houses, corporate A/V providers, or anyone who needs durable professional systems that deliver powerful, room-filling sound in any portable or installed scenario.

General Specifications

Power Rating (W, Continuous)
Power Rating (W, Peak)
Frequency Response Hz (±3 dB)
35 - 92
Maximum SPL (peak dB)


Width (in)
Weight (lbs)
Width (mm)
Height (in)
Height (mm)
Weight (kg)
Depth (in)
Depth (mm)


Mobile app available for iOS and Android
Single-angle top pole-mount socket

What's in The Box?

  • 1 x PRX918XLF
  • 1 x 10’ (3m) IEC Power Cable
  • 1 x Quick Start Guide

Documents & Downloads

Reviews and Q&A

Customer Reviews

Product Q&A

How much power does this draw? Not published in the specs.

Asked by: slidesinger
Our JBL PRX918XLF is handled by our Pro Division. For inquiries, you can contact them via call or email here: 844-776-4899, HProTechSupportUSA@harman.com
Answered by: Customer Support
Date published: 2023-04-29
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