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1500 Watt Powered 15" Subwoofer


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Product Description for the JBL PRX815XLFW

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

The JBL PRX815XLFW is a self-powered extended low-frequency subwoofer system. Featuring a JBL 15-inch woofer powered by a 1500-watt class-D amplifier, PRX815XLFW delivers incredible output in a lightweight and compact form factor.

The PRX815XLFW 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 PRX815XLFW 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 PRX815XLFW is a high performance self-powered subwoofer system with remote Wi-Fi control of onboard DSP EQ parameters. The PRX815XLFW is comprised of a powerful 2275H 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 optimization.

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.

The amplifier input panel offers stereo inputs with XLR or ¼ inch jack compatibility. A user selectable crossover ensures a smooth transition to full-range system connected to the stereo outputs. Signal present and limiter lights indicate the system status and assist in setting the optimum level via the level control knob.


  • 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
  • System Type : Self Powered 15” subwoofer
  • Maximum SPL Output : 131 dB peak
  • Frequency Range (-10 dB) : 36 Hz - 98 Hz
  • Frequency Response (±3 dB) : 40 Hz – 87 Hz
  • Input Connectors : Two Balanced female XLR/ 1/4” combo connectors
  • Input Impedance : 20K Ohms (balanced)
  • Signal 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 to pass audio.
  • Dynamic Control (Input) : dbx Type IV limiter circuit
  • Internal Crossover Frequency : 80 Hz DSP
  • Loop out Crossover Frequency : 120 Hz analog 24 dB filter slope
  • Design : Highly efficient Class-D amplifier
  • Power Rating : 1500W
  • AC Power Input : 100V - 240V ~ 50/60 Hz
  • LF Driver : 1 x JBL 2275H 15 in woofer
  • Enclosure : Rectangular, 18 mm & 25 mm, plywood
  • Transport : 2 x injection molded handles with backing cup
  • Finish : Obsidian DuraFlex finish
  • Grille : Powder coated, Obsidian, 16 gauge perforated steel with acoustical transparent black cloth backing.
  • Dimensions (H x W x D) : 548 mm x 446 mm x 572 mm
  • (21.6 in x 17.5 in x 22.5 in)
  • Net Weight : 25.4 kg (56.0 lb)
  • Gross Weight : 30.3 kg (66.8 lb)
Brand JBL
Weight 65.0000
Dimensions (WxHxD) No

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