Get Powerful Low End with the JBL PRX918XLF Powered 18-Inch Subwoofer

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. 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.

• FEA flared port design reduces air noise and distortion
• Lightweight, efficient Class D amplification
• 18mm birch cabinet features optimized bracing for smooth low-frequency response
• Color LCD screen provides access to comprehensive DSP suite
• 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
• Optimized presets for pairing with full-range speakers
• Two side handles
• M20 pole cup

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.

SPECIFICATIONS

• Frequency Range (-10 dB): 30 Hz – 110 Hz (2π)
• Frequency Range (-3 dB): 35 Hz – 92 Hz (2π)
• Coverage Pattern: omni
• Transducer Impedance: Rated: 4 Ω
• Max SPL: 134 dB @1m/2π
• Power Rating: 2000W peak / 1000W RMS
• Cooling: natural convection, no fan
• Crossover Frequency: 80 Hz, 100 Hz, 120 Hz selectable
• I/O: x2 combo inputs; x2 XLR pass through outputs
• Suspension / Mounting: pole mount on top surface
• Product Dimensions (H x W x D): 693 x 591 x 654 mm (27.3 x 23.3 x 25.7 inches)
• Shipping Dimensions (H x W x D): 732 x 703 x 766 mm (28.8 x 27.7 x 30.2 inches)
• Net Weight: 40.7 kg (89.7 lbs)
• Gross Weight: 47.5 kg (104.7 lbs)

Manufacturer: JBL Professional
Model: PRX918XLF
SKU: I722288-GA260302-8-WHXE
UPC: 691991037122

We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.