PRX818XLF

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

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 Range (-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 2278H 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)