18” Self-Powered Extended Low-Frequency Subwoofer System with Wi-Fi

  • Built-in Wi-Fi for wireless control of your system from anywhere in the venue
  • Free PRX Connect mobile app for Android and iOS 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


      • The PRX818XLFW extended low frequency subwoofer was designed and 
        engineered to provide sub bass frequencies with accuracy and power. Used
         as a single sub in a sub/sat system or in multiples as part of a 
        scalable, large format sound reinforcement system, the PRX818XLFW 
        performs with exceptional efficiency and control. The subs are stackable
         and light-weight ensuring quick set-ups and tear-downs. And due to 
        their rugged construction are perfect for AV rental inventories. With a 
        pole receptacle (that accepts a SS4-BK or SS4-BK24) on the top panel and
         integrated stereo pass-thru this is the most powerful low-frequency 
        complement to the PRX full-range systems. The addition of a polarity 
        reverse option further enables system optimization.
      • The PRX818XLFW is a high performance self-powered subwoofer system with 
        remote Wi-Fi control of onboard DSP EQ parameters. The PRX818XLFW is 
        comprised of a powerful 2278G Differential Drive® dual voice-coil and 
        magnetic gap, woofer driven by a 1500 Watt Class-D power amplifier. 
        Sophisticated DSP is at the core of a fully featured input section, 
        providing user selectable cross-over functionality, polarity 
        optimization, protection, dynamic limiting and discrete component 
      • All PRX800 
        cabinets are built from a combination of 25 mm (on the top and bottom 
        for added rigidity) and 18 mm, strong, light-weight poplar plywood made 
        structurally sound with tongue and groove joints. All PRX800 Series 
        cabinets are protected by JBL’s tour proven DuraFlex™ finish. Grilles 
        are made from dent-resistant 16 gauge steel and handles are made from 
        light-weight glass-filled nylon for added strength and durability. All 
        M10 suspension points are constructed from 14 gauge steel and have been 
        tested with a yield-strength of 1000 lbs. each.
      • The
         amplifier input panel offers XLR or ¼ inch jack compatibility and a 
        sensitivity switch provides extra flexibility, making it possible to 
        connect literally any sound source without using a mixer. Signal present
         and overload lights indicate the system status and assist in setting 
        the optimum level via the level control knob.

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      • $1,399.00
      • $979.00

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