JBL PRX818XLF 18” Self-Powered Extended Low-Frequency Subwoofer

18” Self-Powered Extended Low-Frequency Subwoofer System with Wi-Fi 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 Specifications System Type Self Powered 18” subwoofer Maximum SPL Output 134 dB peak Frequency Range (-10 dB) 30 Hz - 103 Hz Frequency Response (±3 dB) 35 Hz – 87 Hz Input Connectors Two Balanced female XLR/ 1/4” combo connectors Input Impedance 20K Ohms (balanced) 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 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)