18” Self-Powered Extended Low-Frequency Subwoofer System with Wi-Fi
\nThe 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. \n- Built-in Wi-Fi for wireless control of your system from anywhere in the venue \n- 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 \n- Class-leading 1500-watt amplifier delivers ample power to fill your venue \n- JBL Differential Drive® transducers for higher SPL in a lightweight design \n- Next-generation JBL neodymium compression drivers \n- Redesigned Crown input technology, including XLR, 1/4” and RCA inputs plus XLR loop-through \n- Intelligent variable-speed fan activates only when needed to reduce noise \n- Updated tuning delivers flat frequency response and smooth off-axis behavior \n- Durable wooden cabinets, tour-proven DuraFlex™ finish and dent-resistant 16-gauge grilles \n- Universal power supply for worldwide compatibility \n- dbx Type IV™ limiting ensures clear, accurate sound at high volumes \n- Brutal testing regimen—including the famous JBL 100-hour power test—ensures reliable performance \n \nSystem Type Self Powered 18” subwoofer \nMaximum SPL Output 134 dB peak \nFrequency Response (-10dB) 30 Hz - 103 Hz \nFrequency Response (±3 dB) 35 Hz – 87 Hz \nInputs Two Balanced female XLR/ 1/4” combo connectors \nInput Impedance 20K Ohms (balanced) \nSignal Indicators Limit: Yellow LED indicates peak output has been reached and dsp limiter is acting Signal: Green LED indicates signal present Power: Blue indicates system has power and ready \nDynamic Control (Input) dbx Type IV™ limiter circuit \nSystem Low Pass 80 Hz \nLoop out Crossover Frequency 80Hz Digital 24db/octave Linkwitz-Riley Filter \nDesign \nHighly efficient Class-D amplifier \nPower Rating 1500W \nAC power input 100V - 240V ~ 50/60 Hz \nLF Driver 1 x JBL 2278G 460 mm (18 in) woofer \nEnclosure Rectangular, 18 mm, birch-poplar mix \nTransport \n2 x injection molded handles with backing cup \nFinish \nObsidian DuraFlex™ finish \nGrille \nPowder coated, Obsidian, 16 gauge perforated steel with acoustical transparent black cloth backing. \nDimensions (H x W x D) 692 mm x 523 mm x 724 mm (27.26 in x 20.6 in x 28.5 in) \nNet Weight 36.28 kg (80.0 lb) \nGross Weight 45.0 kg (100.0 lb) \nMic Inputs 2 \nPhantom Power No \nEQ 8-band parametric EQ \nEffects 25 parametric EQ's and speaker delay \nOutputs 1 x XLR (mix out) \n
