PRX818XLF 18” Self-Powered Extended Low-Frequency Subwoofer System with Wi-Fi
Our Part Number: PRX818XLF
The JBL PRX818XLF is a self-powered extended low-frequency subwoofer system. Featuring a JBL 18-inch woofer powered by a 1500-watt class-D amplifier, PRX818XLF delivers incredible output in a lightweight and compact form factor.
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Features
- Built-in Wi-Fi for wireless control of your system from anywhere in the venue
- Free PRX Connect mobile app for iOS and Android provides wireless control over volume levels, 8-band parametric EQ and up to 50ms of speaker delay to fine-tune your sound
- Class-leading 1500-watt amplifier delivers ample power to fill your venue
- JBL Differential Drive® transducers for higher SPL in a lightweight design
- Next-generation JBL neodymium compression drivers
- Redesigned Crown input technology, including XLR, 1/4” and RCA inputs plus XLR loop-through
- Intelligent variable-speed fan activates only when needed to reduce noise
- Updated tuning delivers flat frequency response and smooth off-axis behavior
- Durable wooden cabinets, tour-proven DuraFlex™ finish and dent-resistant 16-gauge grilles
- Universal power supply for worldwide compatibility
- dbx Type IV™ limiting ensures clear, accurate sound at high volumes
- Brutal testing regimen—including the famous JBL 100-hour power test—ensures reliable performance
| System Type | Self Powered 18” subwoofer |
| Maximum SPL Output | 134 dB peak |
| Frequency Response (-10dB) | 30 Hz - 103 Hz |
| Frequency Response (±3 dB) | 35 Hz – 87 Hz |
| Inputs | Two Balanced female XLR/ 1/4” combo connectors |
| Input Impedance | 20K Ohms (balanced) |
| Signal Indicators | Limit: Yellow LED indicates peak output has been reached and dsp limiter is acting Signal: Green LED indicates signal present Power: Blue indicates system has power and ready to pass audio |
| Dynamic Control (Input) | dbx Type IV™ limiter circuit |
| System Low Pass | 80 Hz |
| Loop out Crossover Frequency | 80Hz Digital 24db/octave Linkwitz-Riley Filter |
| Design | Highly efficient Class-D amplifier |
| Power Rating | 1500W |
| AC Power input | 100V - 240V ~ 50/60 Hz |
| LF Driver | 1 x JBL 2278G 460 mm (18 in) woofer |
| Enclosure | Rectangular, 18 mm, birch-poplar mix |
| Transport | 2 x injection molded handles with backing cup |
| Finish | Obsidian DuraFlex™ finish |
| Grille | Powder coated, Obsidian, 16 gauge perforated steel with acoustical transparent black cloth backing. |
| Dimensions (H x W x D) | 692 mm x 523 mm x 724 mm (27.26 in x 20.6 in x 28.5 in) |
| Net Weight | 36.28 kg (80.0 lb) |
| Gross Weight | 45.0 kg (100.0 lb) |
| Mic Inputs | 2 |
| Phantom Power | No |
| EQ | 8-band parametric EQ |
| Effects | 25 parametric EQ's and speaker delay |
| Outputs | 1 x XLR (mix out) |
