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The JBL PRX918XLF is a professional-grade powered subwoofer that transforms any sound system into a low-frequency powerhouse. Built for professionals who demand deep, clean bass that cuts through the mix without breaking a sweat, this 18-inch beast delivers 2000 watts of controlled power that reaches every corner of the room.
The PRX918XLF Advantage
Whether you're running sound for a packed venue, setting up for a corporate event, or laying down thunderous bass for a band performance, the PRX918XLF ensures your low end hits with precision and authority. The advanced Class D amplification paired with JBL's next-generation 918SG driver creates bass that's both powerful and articulate, giving you the foundation every great sound system needs.
918SG 18" Driver with 3" Voice Coil: This custom-designed ferrite magnet woofer handles massive power while maintaining clarity. The oversized voice coil dissipates heat efficiently, ensuring consistent performance even during extended high-volume sessions.
FEA Flared Port Design: Engineered to minimize air noise and port distortion, this advanced port design allows for cleaner bass reproduction and reduces unwanted artifacts that can muddy your mix.
Ultra-Efficient Class D Amplification: Delivers maximum power with minimal heat generation, keeping your subwoofer running cool and reliable throughout even the longest gigs.
Complete Control at Your Fingertips
Managing your sound system shouldn't require a degree in audio engineering. The PRX918XLF puts comprehensive control right where you need it, whether that's on the unit itself or in your pocket.
Color LCD Screen with Full DSP Suite: Access EQ settings, delay adjustments, and system presets directly from the illuminated display. No guesswork, no fumbling around in the dark between sets.
JBL Pro Connect App Integration: Control up to 10 speakers wirelessly via Bluetooth, adjust settings on the fly, and save custom presets for different venues. The app seamlessly integrates with other JBL professional systems for unified control.
DriveRack Technology with Precision Delay: Fine-tune your system timing with 20ms of speaker delay adjustable in 100-microsecond intervals, ensuring your subwoofer locks perfectly with your full-range speakers.
Optimized Pairing Presets: Built-in crossover settings specifically designed to work with popular full-range speakers, taking the guesswork out of system integration.
Built for the Road, Designed to Last
Professional audio equipment needs to survive the chaos of load-ins, long hauls, and demanding performance schedules. The PRX918XLF is engineered to handle whatever the road throws at it.
18mm Birch Cabinet Construction: The precision-braced birch enclosure provides optimal acoustic performance while offering superior durability compared to particle board alternatives. Internal bracing eliminates unwanted resonances for cleaner bass response.
Fanless Operation: Silent cooling design means no fan noise to interfere with your sound, making it perfect for quiet venues or recording applications where every decibel matters.
Dual Integrated Side Handles: Ergonomically positioned handles make transport manageable, even for a subwoofer of this size and power.
Ultra-Low System Latency: Engineered for real-time applications where timing is critical, ensuring your bass response stays perfectly aligned with the rest of your system.
Professional Performance, Uncompromising Reliability
The PRX918XLF represents JBL's commitment to professional audio excellence, combining decades of acoustic innovation with modern digital control. This subwoofer creates the foundation that makes every element shine through. Whether you're a touring musician, venue owner, or audio professional, the PRX918XLF delivers the reliability and performance your reputation depends on.
JBL PRX918XLF Features:
18" ferrite magnet woofer with 3" voice coil for maximum power handling
2000W Class D amplifier with advanced thermal management
FEA flared port design reduces air noise and distortion
Color LCD screen with comprehensive DSP suite access
JBL Pro Connect app for wireless system control up to 10 speakers
DriveRack Technology with 20ms delay in 100-microsecond intervals
Optimized presets for seamless full-range speaker integration
Quiet fanless operation for silent cooling
18mm birch cabinet with optimized internal bracing
Dual integrated side handles for improved portability
Warranty: As of April 1, 2022, 7 Years Extended. The extended warranty applies to all product components, excluding batteries, on the Eon 700 Series, Eon One Compact, Eon One MK2, and PRX One systems. 3 Years on Batteries on the rechargeable models; 3 Years on Amps, PRX700 & PRX800 Series; 2 Years on Enclosures & Other; 1 Year on JBL Bags
Dimensions: 693 x 591 x 654 mm / 27.3" x 23.3" x 25.7"
Customer Reviews
4.7
Based on 14 reviews
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Lionel H. 🇺🇸
Verified Buyer
This is a solid subwoofer
This is a solid subwoofer it definitely goes down to much lower frequencies then some of it competitors in the price point. It sacrifices some of upper bass frequencies and punch to achieve this but I do prefer that. The app is very well done I had a 1 point and entire system of Prx speakers and it ...
Published date
11/02/25
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Marck G. 🇺🇸
Verified Buyer
It sounds really good if
It sounds really good if people are looking for a professional subwoofer for dj
Published date
10/07/25
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T. J. 🇺🇸
Verified Buyer
Great sub and kill light weight
This is a great compact 18’ sub and it’s light weight as well with some nice low end for most occasions I highly recommend this
Published date
06/05/24
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Paul J. 🇺🇸
Verified Buyer
Great high performance speakers.
Great high performance speakers.
Published date
03/06/25
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Bass O. 🇺🇸
Verified Buyer
Great Sound and VERY reliable
OK - the down and dirty ... this sub is amazing. I own 4 prx918 and 4 of this newer PRX918xlf - 8 total of these subs. I am a touring musician and sound company. I have been using these since 2014 - around 150 shows per year in clubs, casinos, fairs, festivals, even outdoors. They do not throw a lon...
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