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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.
JBL Differential Drive transducers for higher SPL in a lightweight design
Class-leading 1500-watt amplifier delivers ample power to fill your venue
Updated tuning delivers flat frequency response and smooth off-axis behavior
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
Durable wooden cabinets, tour-proven DuraFlex finish and dent-resistant 16-gauge grilles
Free PRX Connect app for iOS and Android provides wireless control over volume levels, 8-band parametric EQ and up to 50ms of speaker delay
Brutal testing regimen—including the famous JBL 100-hour power test—ensures reliable performance
Embedded Harman ioSYS technology
Maximum SPL 134 dB peak
Frequency Range (-10 dB) 30 Hz - 103 Hz
Frequency Response (±3 dB) 35 Hz - 87 Hz
Power Rating 1500 watts Peak
LF Driver JBL 2278H 18" woofer
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
The warning above is legally required, and does not indicate any product safety violations. This warning is to inform the consumer of their right-to-know, read more on our overview page.