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.

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