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Professional 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.
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.
Features
- Transducer:
- 918SG 18” ferrite magnet woofer
- FEA flared port design reduces air noise and distortion
- Lightweight, efficient Class D amplification
- Power: 2,000 watts peak/1,000 watts RMS
- 18mm birch cabinet features optimized bracing for smooth low-frequency response
- Frequency response: 30 Hz–110 Hz @2pi (-10 dB); 35 Hz–92 kHz @2pi (-3 dB)
- Max SPL: 134 dB
- Color LCD screen provides access to comprehensive DSP suite
- DriveRack Technology includes 180ms of speaker delay in 100-microsecond intervals for precise time-aligned systems
- 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
- I/Os:
- 2 XLR balanced Combo jacks
- 2 XLR pass-through outs
- Two side handles
- Mount: M20 pole cup
- Cabinet features optimized bracing for smooth low-frequency response
- Quiet fanless operation
- Ultra-low system latency: <1ms
- Net weight: 40.7 kg (89.7 lbs); gross weight: 47.5 kg (104.7 kg)
- Dimensions: 693 mm x 591 mm x 654 mm (27.3 in x 23.3 in x 25.7 in) (H x W x D)
- Shipping dimensions: 732 mm x 703 mm x 766 mm (28.8 in x 27.7 in x 30.2 in) (H x W x D)
Downloads
| Size | ||||
Bim Objects |
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 PRX918XLF BIM Object |
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Software |
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 Pro Connect |
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 Pro Connect |
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User Guides |
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 PRX900XLF User Guide |
7.52 MB | |||
| PRX900XLF User Guide |
7.54 MB | |||
| PRX900XLF User Guide |
7.53 MB | |||
| PRX900XLF User Guide |
7.51 MB | |||
| PRX900XLF User Guide |
7.52 MB | |||
| PRX900XLF User Guide |
7.52 MB | |||
Spec Sheets |
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| PRX918XLF Spec Sheet |
518 KB | |||
Quick Start Guides |
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| PRX915/918XLF Quick Start Guide |
539 KB | |||
| PRX915/918XLF Quick Start Guide |
540 KB | |||
| PRX915/918XLF Quick Start Guide |
539 KB | |||
| PRX915/918XLF Quick Start Guide |
539 KB | |||
| PRX915/918XLF Quick Start Guide |
536 KB | |||
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Parts & Service
Specifications
| Frequency Range (-10dB) | 30 Hz – 110 Hz (2π) |
| Frequency Range (-3 dB) | 35 Hz – 92 Hz (2π) |
| Coverage Pattern | Omni |
| Transducer Impedence | 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 in) |
| Net Weight | 40.7 kg (89.7 lbs) |
Accessories
PRX918XLF-CASTERBRD | Heavy-Duty Caster Board Kit for JBL PRX 918XLF Powered 18-Inch Subwoofer
Larger Images
Caster Board for JBL PRX918XLF
- 2-inch-Wide Hook-and-Loop Handle Locking Straps Keep Subwoofer Secured to Base
- 0.75-Inch-Thick Plywood Base Contours to Subwoofer Shape for Clean Appearance
- Heavy-Duty 4-Inch Swivel Casters for Transport Over Rugged Terrain
- Product Dimensions: 25.5”/648mm (L) x 23”/584mm (W) x 5.75”/146mm (H), Net Weight: 15.4 lbs./7 kg
PRX918XLF-CVR | Speaker Slipcover for JBL PRX 918XLF Powered 18-Inch Subwoofer
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JBL Bags Cover for JBL PRX918XLF
- Tough, Water-Resistant 600D Black Polyester Exterior Fabric
- Soft, 210D Polyester Interior Fabric with Protective Padding
- Dual Side Cutouts for Easy Access to Subwoofer Carry Handles
- Exterior Dimensions: 27”/686mm (L) x 24.75”/629mm (W) x 28”/711mm (H), Net Weight: 2.8 lbs./1.3 kg
- Interior Dimensions: 26.75”/679mm (L) x 24”/610mm (W) x 27.25”/692mm (H)
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