The JBL PRX818XLF is a self-powered extended low-frequency subwoofer system pairing an 18-inch JBL Differential Drive woofer with a 1500-watt Class D amplifier. Engineered to provide sub-bass with accuracy and power, it works as a single sub in a sub/satellite system or stacked in multiples as part of a scalable large-format sound reinforcement rig. Built-in Wi-Fi and the free PRX Connect app allow wireless adjustment of levels, polarity reverse, and DSP parameters from anywhere in the venue. Crown input technology supplies XLR, 1/4-inch, and RCA connectivity with integrated stereo pass-through, making it the natural low-frequency complement to full-range PRX speakers such as the PRX812 and PRX815. dbx Type IV limiting keeps output clean, while the stackable, ruggedly constructed wooden cabinet survives the demands of rental inventories and frequent load-ins. Perfect for Kenyan event companies, clubs, and churches needing serious sub-bass. Order today from Eclipse Sounds with fast nationwide delivery across Kenya. Key Features: - Self-powered 18-inch extended low-frequency subwoofer - 1500W Class D amplifier (Crown-designed) - Built-in Wi-Fi with PRX Connect app control - Polarity reverse option and integrated stereo pass-through - XLR, 1/4-inch, and RCA inputs with XLR loop-through - Stackable, lightweight, tour-proven DuraFlex cabinet - dbx Type IV limiting for clean output