JBL PRX815XLFW 15-inch Powered Subwoofer

JBL PRX815XLFW 15-inch Powered Subwoofer

JBL PRX815XLFW 15-inch Powered Subwoofer

The JBL PRX815XLF is a self-powered extended low-frequency subwoofer system designed for professional sound reinforcement applications. Let's break down some of its key features and applications based on the information you provided:

Key Features:

  1. Built-in Wi-Fi and PRX Connect App:

    • Allows wireless control of the system from anywhere in the venue.

    • The PRX Connect mobile app (available for iOS and Android) provides wireless control over volume levels, 8-band parametric EQ, and up to 50ms of speaker delay for fine-tuning.

  2. Powerful Amplification:

    • Features a class-D amplifier with a substantial 1500-watt power rating, providing ample power to fill venues with deep and powerful low frequencies.

  3. Transducer Technology:

    • Utilizes JBL Differential Drive® transducers for higher sound pressure levels (SPL) in a lightweight design.

    • Employs next-generation JBL neodymium compression drivers for enhanced performance.

  4. Input Connectivity:

    • Redesigned Crown input technology includes XLR, 1/4”, and RCA inputs, along with XLR loop-through for flexible connectivity options.

  5. Intelligent Cooling:

    • Incorporates an intelligent variable-speed fan that activates only when needed, reducing noise and optimizing cooling efficiency.

  6. Tuning and Durability:

    • Updated tuning delivers a flat frequency response and smooth off-axis behavior.

    • Durable wooden cabinets with tour-proven DuraFlex™ finish and dent-resistant 16-gauge grilles ensure longevity and robustness.

  7. Universal Power Supply:

    • Equipped with a universal power supply for worldwide compatibility.

  8. dbx Type IV™ Limiting:

    • Incorporates dbx Type IV™ limiting technology to ensure clear and accurate sound even at high volumes.

  9. Reliability Testing:

    • Undergoes a brutal testing regimen, including the famous JBL 100-hour power test, to ensure reliable performance.


  1. Sub-Bass Frequencies:

    • Designed to provide accurate and powerful sub-bass frequencies.

    • Suitable for use as a single sub in a sub/sat system or in multiples as part of a scalable, large format sound reinforcement system.

  2. Efficiency and Control:

    • Performs with exceptional efficiency and control.

    • Stackable and lightweight design for quick setup and tear-down, making it ideal for AV rental inventories.

  3. Integration with PRX Full-Range Systems:

    • Integrates seamlessly with PRX full-range systems, serving as a powerful low-frequency complement.

    • Integrated stereo pass-thru for added versatility.

  4. DSP Control:

    • High-performance self-powered subwoofer system with remote Wi-Fi control of onboard DSP EQ parameters.

    • Features sophisticated DSP for user-selectable cross-over functionality, polarity optimization, protection, dynamic limiting, and discrete component optimization.

  5. Construction and Connectivity:

    • Built from strong, lightweight poplar plywood with tongue and groove joints.

    • DuraFlex™ finish for protection, dent-resistant 16-gauge steel grilles, and glass-filled nylon handles for strength and durability.

    • Amplifier input panel offers stereo inputs with XLR or 1/4 inch jack compatibility, user-selectable crossover, and signal present/limiter lights for system status indication.

In summary, the JBL PRX815XLF is a versatile and powerful subwoofer system designed to deliver high-quality low-frequency reproduction in various professional audio applications. Its features, including built-in Wi-Fi control, powerful amplification, advanced transducer technology, and durable construction, make it a reliable choice for sound reinforcement needs.

System Type     Self Powered 15” subwoofer

Maximum SPL Output     131 dB peak

Frequency Range (-10dB)     36 Hz - 98 Hz

Frequency Response (±3 dB)     40 Hz – 87 Hz

Inputs     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 presentPower: Blue indicates system has power and ready to pass audio.

Dynamic Control (Input)     dbx Type IV™ limiter circuit

System Low Pass     80 Hz DSP

Loop out Crossover Frequency     80 Hz 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 2275H 15 in woofer

Enclosure     Rectangular, 18 mm, birch-poplar mix

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     26.3 kg (58.0 lb)

Gross Weight     30.3 kg (66.8 lb)

Mic Inputs     2

Phantom Power     No

EQ     8-band parametric EQ

Effects     25 parametric EQ's and speaker delay

Outputs     1 x XLR (mix out)



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Friendly and accommodating staff. Great products. They offer discounts to churches (there’s a minimum purchase value). Really does cater to all your audiovisual needs. I’ll surely shop there again.

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Quality items at affordable prices with knowledgeable and helpful staff. If what you are looking for is available here it doesn't make sense importing through a freight forwarder.

Mark Buckmire, Google CET Reviews

I've bought from them in the past on a few occasions and it's always been a good experience. I recently made a purchase and happened to have a manufacturer issue. CET immediately replaced the item with the least inconvenience to myself. When buying these types of equipment, it really is best to use a local and reliable supplier and CET is hands down my choice.Plus the staff are always helpful and respectable. Good job folks.

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