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JBL PRX800 1500w 18inch Powered Sub


Availability: Available to order - Small delay

Old Price: $2,199.00
Reduced By: $500.00
RRP: $2,199.00
Price: $1,699.00
** SPECIAL OFFER - purchase any PRX818XLF between 1/11/17 and 30/1/18 and get $70 back per speaker (via redemption, full details here) ** 

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 TypeSelf Powered 18” subwoofer
Maximum SPL Output134 dB peak
Frequency Range (-10 dB)30 Hz - 103 Hz
Frequency Response (±3 dB)35 Hz – 87 Hz
Power Rating1500W
LF Driver1 x JBL 2278G 460 mm (18 in) woofer
Dimensions (H x W x D)692 mm x 523 mm x 724 mm 
Net Weight36.28 kg 
Gross Weight45.0 kg