JBL PRX 915XLF

PRX900: The Evolution of Portable Sound Reinforcement by JBL

The PRX915XLF is part of the JBL PRX900 series, a range designed to push the boundaries of professional portable sound reinforcement: advanced acoustics, extended DSP, high power, and full remote control. Within the PRX900 family, this model stands as a modern subwoofer, built to support a full-range system with cleaner, more defined, and deeper low end, while remaining easy to deploy in the field.

What Uses Is the JBL PRX915XLF Designed For?

This subwoofer is aimed at DJs, bands, concert venues, event providers, rental companies, and corporate AV services seeking solid, controlled bass without sacrificing mobility. It suits both "plug and play" setups and more demanding systems where time alignment and DSP optimization make a real difference in kick impact, bass clarity, and low-mid coherence.

Settings, Control, and Performance: A Subwoofer Designed as a System Tool

A Next-Generation 15-Inch Driver, Clear Bass and Controlled Extension

The PRX915XLF features a 15-inch ferrite magnet woofer (918SG) and lightweight, efficient Class D amplification. The goal is clear: to deliver clear and defined bass with smooth low-frequency extension, even at high levels, maintaining control when stage or front-of-house pressure rises.

FEA Flared Port: Less Air Noise, Cleaner Sound

The flared port (FEA) design helps reduce air noise and distortion. Practically, this keeps the subwoofer cleaner in the low spectrum, especially useful for music rich in sub-bass and for systems under prolonged use, where listener fatigue and port "chuffing" can quickly become bothersome.

Full DSP via Color LCD Screen or JBL Pro Connect App

The integrated DSP, accessible from the color LCD screen or remotely, offers a 6-band parametric equalizer to fine-tune tone and system integration, as well as a low-pass filter and delay functions. Additionally, DriveRack technology provides tools for time alignment, with speaker delay up to 180 ms in 100-microsecond increments, enabling precise coherence between sub and tops depending on the setup.

BLE Control and Multi-Speaker Management

With JBL Pro Connect, you can control the hardware and DSP for up to 10 speakers, utilize app-exclusive features (snapshots and grouping), and integrate the PRX915XLF into a chain including JBL EON ONE MK2, PRX ONE, and EON700 systems. Optimized presets also facilitate pairing with full-range speakers to speed up setup and ensure a consistent result.

Technical specifications

Battery	No	Cutaway	No
Number of channels	1 channel	Speaker structure	wood
Bluetooth	No	Inputs	2 x combo XLR/jack
Speaker diameter	15"	Outputs	XLR
Number of speakers	1	Color	Black
EQ	Yes	Power output	1000 W

Type	professional 15-inch powered subwoofer	Equalizer	6-band parametric
Woofer	15-inch ferrite magnet 918SG	Filter	low-pass
Port design	FEA flared port (reduces air noise and distortion)	Delay	20 ms
Amplification type	lightweight and efficient Class D	DriveRack technology	speaker delay up to 180 ms in 100-microsecond steps (precise time alignment)
Power	2,000 W peak / 1,000 W RMS	Multi-speaker control	up to 10 speakers
Frequency response	36 Hz to 98 Hz @2 pi (-10 dB); 40 Hz to 87 Hz @2 pi (-3 dB)	Integration	compatible with JBL EON ONE MK2, PRX ONE, and EON700
Maximum SPL	131 dB	Presets	optimized for pairing with full-range speakers
Operation	silent, fanless	Enclosure	18 mm birch plywood
System latency	ultra-low, under 1 ms	Reinforcements	optimized for smooth low-frequency response
DSP access	integrated color LCD screen	Handles	two side handles
App	JBL Pro Connect (full BLE control)	Mounting	M20 pole cup