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15" 2-way powered PA speaker

Item #: 855PRX715

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High power for some serious sound

A single JBL PRX715 PA speaker puts out up to 1,500 watts producing 136 dB of sound pressure — that's enough power to fill a small club or 300-seat auditorium with loud, wall-vibrating sound and music all by itself. You could also use this versatile speaker for speech or acoustic music in a venue twice that size. For DJs, church performers, and working bands, match up a pair of PRX715s with a couple of PRX715XLF or PRX718XLF powered subwoofers, and you'll have yourself a compact full-range PA system capable of handling medium-sized clubs and venues.

Road-tested components


PRX715 with grille removed

The 15" low-frequency driver in the PRX715 is the same one that JBL uses in its top-of-the-line concert arrays. This Differential Drive® woofer puts out high-powered sound, having proven its toughness on the road by standing up to constant high-volume play. The high-frequency driver with its JBL-designed compression horn and waveguide covers a wide area with crystal-clear, accurate sound.

A built-in dynamic limiter by dbx ensures that an unexpected overload won't damage the speakers. A 2-channel mixer lets you hook your PRX715 up to a variety of sources for different situations, from using a single microphone to address a conference, to playing the stereo signal from a DJ mixer.

Rugged enclosure

JBL used tongue-and-groove construction to build this solid poplar enclosure, then coated it with their tough DuraFlex™ finish. You can be sure this speaker will survive the normal bumps and bangs of life on the road and play reliably on the job every night. You can use the PRX715 speaker as a stage monitor or as a main PA speaker, and it mounts on a standard speaker stand or pole for better coverage. The enclosure even features an angled stand socket to aim the speaker downward when needed. When you use this speaker as a stage monitor, you can switch the EQ to the monitor setting to kill the extra bass caused by its position on the floor.

Product Highlights:

    2-way Powered PA Speaker
    • JBL 275G Differential Drive® 15" woofer
    • JBL 2408H-2 high-frequency compression driver with 1.5" annular polymer diaphragm
    • maximum output level: 136 dB SPL
    • maximum output power: 1,500 watts peak
    • nominal coverage: 90-degrees horizontal, 50-degrees vertical
    • frequency response: 58.1-17,200 Hz
    • poplar plywood bass-reflex enclosure with tongue-and-groove joints and DuraFlex™ finish
    Electronic Features
    • 2-channel mixer with individual level controls
      • channel 1: XLR/1/4" TRS phone balanced input (with mic/line switch)
      • channel 2: XLR/1/4" TRS phone balanced line-level input (with ground lift switch)
      • two RCA unbalanced line inputs (ch 1 and ch 2)
      • XLR output for connecting another speaker system (ch 1, ch 2, or mix)
    • speaker input selector (ch 1, ch 2, or mix)
    • DSP includes input limiting, and component optimization
    • selectable EQ for main or monitor use
    • crossover frequency: 1,700 Hz
    • 750 watts x 2 Class D amplifier
    • dbx Type IV™ dynamic limiter with indicator light
    General Features
    • steel speaker grille and injection-molded glass-filled nylon handle
    • dual 1-7/16" (36 mm) sockets (one with angle-down tilt) for optional speaker stand
    • rigging points for hanging or mounting with optional mounting hardware
    • can be set as a stage monitor angled upward
    • optional protective cover available
    • weight: 47.5 lbs
    • dimensions: 17-9/16"W x 28-3/16"H x 14-1/8"D
    • warranty: 3 years
    • Our 60-day money-back guarantee

    How loud do powered PA speakers play?

    If you're considering powered speakers, you might be tempted to compare wattage ratings, but those won't be very helpful to you: these self-contained systems are engineered to precisely match their built-in amps with their speakers in order to get the most output possible. We suggest you pay more attention to the listed sound pressure level (SPL) ratings than the listed wattage ratings. These boxes are all designed to play loud and clear in appropriately matched room sizes. Generally, powered PA speakers work best in small to medium venues, like nightclubs, coffeehouses, and small auditoriums. If you're performing in larger venues, you'll probably need separate power amps and speakers.

    JBL PRX715 Reviews

    Hands-on research

    What's in the box?

    Download owner's manual

    • Power PA speaker
    • AC power cord

    Features and Specs

    Drivers per speaker 2
    Woofer Size (inches) 15
    Tweeter Size (inches) 1.5
    System Frequency response 58.1-17.2k
    Maximum SPL 136
    RMS Power rating 750
    Program Power rating N
    Peak Power rating 1500
    Mic Inputs 2 x XLR/1/4" combo
    Line Inputs 2 RCA
    Tone Controls Limiter, Xover, EQ
    Width (inches) 17-9/16
    Height (inches) 28-3/16
    Depth (inches) 14-1/8
    Weight 47.5 lbs

    Product Research


    High Performance Drivers: The JBL PRX715 powered loudspeaker is comprised of a 15" Differential Drive woofer and 1.5" annular polymer diaphragm, neodymium compression driver mounted to a 90° (h) by 50° (v) horn. Wide coverage angles are achieved without compromise and harmonic distortion is minimized for maximum driver SPL without harshness. The sound is smooth and consistent without hotspots so control is optimized.

    Bi-Amplification: Powering the PRX715 is a 1500-watt (750 watts RMS) high performance, exceptionally low distortion bi-amplification system engineered to deliver clean power with maximum headroom to efficiently deliver smooth high frequencies and rich, deep bass response even at very high sound power levels. Main & Monitor user selectable EQ presets are provided.

    Rugged Enclosure: The PRX715'e enclosure is built from a combination of 25mm (on the top and bottom for added rigidity) and 18mm, strong, light-weight poplar plywood made structurally sound with tongue and groove joints. The cabinet is protected by JBL's tour proven DuraFlex finish and 16AWG steel grille. Light-weight glass-filled nylon handles ensure portability. All M10 suspension points are constructed from 14 gauge steel and have been tested with a yield-strength of 1000 lbs. each.

    Inputs/Outputs: A combo-connector offers XLR and 1/4" TRS phone jack compatibility. Selectable input sensitivities allow a broad range of devices to be properly matched, from the output of a mixer to an MP3 player or a dynamic microphone. There is also a stereo line-level RCA input. A balanced XLR loop through output connector enables the simple "daisy-chaining" of additional PRX series powered speakers if more coverage and level is required.

    Mounting Options: The universal mounting capabilities make the PRX715 perfect for live performers, fixed installations, or commercial A/V rental companies. Whether you use the speaker on a tripod stand (36mm socket), mounted on a subwoofer with a pole, in the floor monitor position, or in a fixed position suspended by the M10 points, you can count on superior and reliable performance.

    Our Product Research Team

    At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

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    maximum output of 136 dB SPL

    low frequency response to 39 Hz

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