18 Self-Powered Extended Low-Frequency Subwoofer System with Wi-Fi

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.
– 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
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)