Description
JBL PRX918XLF 18-inch Subwoofer
The JBL PRX918XLF subwoofer, part of the PRX900 Series, sets a new standard for professional portable PA systems. Ideal for DJs, bands, music venues, rental houses, and corporate A/V providers, this 18-inch powered subwoofer combines advanced acoustics, comprehensive DSP, power, and durability. Its next-generation driver, powered by an ultra-efficient Class D amplifier, delivers clear, defined bass with smooth low-frequency extension—even at maximum volume.
Key features include a class-leading DSP package accessible via an onboard LCD or the JBL Pro Connect app, offering a 6-band parametric EQ for precise system tuning, plus a low-pass filter and up to 20 ms delay. The JBL Pro Connect app provides full hardware and DSP control for up to 10 speakers and integrates with EON ONE MK2, PRX ONE, and EON700 systems, with app-only functions like speaker snapshots and grouping.
Designed to endure the rigors of the road, the PRX918XLF is housed in an 18 mm birch cabinet with optimized bracing, ensuring smooth low-frequency response and enhanced durability. As with all JBL products, it undergoes rigorous testing and validation to ensure reliable performance.
Features
- 918SG 18″ ferrite-magnet woofer with FEA flared port design to reduce air noise and distortion
- Lightweight, efficient Class D amplification: 2,000 W peak / 1,000 W RMS
- Frequency response: 30–110 Hz @ 2π (−10 dB); 35–92 Hz @ 2π (−3 dB)
- Max SPL: 134 dB
- Comprehensive DSP suite with color LCD
- dbx DriveRack with up to 180 ms speaker delay in 100 µs steps for precise time alignment
- JBL Pro Connect app control for up to 10 speakers; integrates with other JBL systems
- Optimized presets for pairing with full-range speakers
- I/O: 2 × XLR balanced combo jacks; 2 × XLR pass-through outs
- Two side handles and M20 pole cup
- Ultra-low system latency: < 1 ms
- Net weight: 40.7 kg (89.7 lb)
- Dimensions (H × W × D): 693 × 591 × 654 mm (27.3 × 23.3 × 25.7 in)
Specifications
| Frequency Range (−10 dB) | 30–110 Hz (2π) |
| Frequency Range (−3 dB) | 35–92 Hz (2π) |
| Coverage Pattern | Omni |
| Transducer Impedance | 4 Ω (rated) |
| Max SPL | 134 dB @ 1 m / 2π |
| Power Rating | 2,000 W peak / 1,000 W RMS |
| Cooling | Natural convection (no fan) |
| Crossover Frequency | 80 / 100 / 120 Hz selectable |
| I/O | 2 × combo inputs; 2 × XLR pass-through outputs |
| Suspension / Mounting | M20 pole cup (top surface) |
| Product Dimensions (H × W × D) | 693 × 591 × 654 mm (27.3 × 23.3 × 25.7 in) |
| Net Weight | 40.7 kg (89.7 lb) |
The PRX918XLF combines professional-grade audio quality with outstanding flexibility and control—perfect for any setup that demands powerful, reliable sound.
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