JBL PRX635 Powered PA Speaker

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Product Description

The JBL PRX635 is a self-powered, lightweight three-way loudspeaker system capable of delivering a very high level of performance over a broad bandwidth.
The PRX635 is comprised of one 15 inch 265F Differential Drive woofer, a 6.5 inch 195H horn-loaded 90° by 50° mid-range and a 1 inch annular polymer diaphragm, neodymium compression driver mounted to a 90° by 50° horn, all driven by a 1500 watt (3 x 500) Audio Class-D power amplifier. A propriety DSP chip is at the core of a fully featured input section, providing user selectable system EQ, protection, input sensitivity selection, cross-over functionality, dynamic limiting and discrete component optimization.

JBL PRX635 Speaker Features:

  • Maximum SPL 135 db peak
  • 15 inch Differential Drive dual voice-coil and magnetic gap, neodymium woofer
  • 6.5 inch horn loaded midrange transducer
  • 1 inch polymer diaphragm compression driver
  • 1500 Watt (3 x 500 watt) Class-D, Crown digital amplifier
  • DSP input section with dbx Type IV limiter circuit, crossover, dynamic limiting, component optimization, selectable system EQ
  • Professional XLR line and 1/4 inch Mic/Instrument inputs, with loop through
  • Obsidian DuraFlex coated plywood construction
  • Large die-cast aluminum handle bar with a fine tuned ergonomic rubber grip for maximum comfort
  • 8 M10 Suspension points and 1 pullback point
  • Integrated 36mm pole mount socket
This speaker is ideally suited to applications where the program material exhibits subtlety and nuance. These cabinets can be stand-mounted but do require a large footprint tri-pod type stand. When pole mounting the PRX635 on a subwoofer JBL highly recommend a pole no longer than 24 inch to ensure stability and safety. As with all the full-range PRX600 Series systems two EQ selections can be used to optimize the system for the program material and/or environment. The input section also accommodates either Line or Mic/Instrument level inputs.

The amplifier input panel offers XLR or 1/4 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.

All PRX600 cabinets are built from a combination of 25 mm (on the top and bottom for added rigidity) and 18mm, strong, light-weight poplar plywood made structurally sound with tongue and groove joints. All PRX600 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.

Product Specifications

JBL PRX635 Powered PA Speaker Specifications


  • System Type: Self powered 15 inch, three-way, bass-reflex
  • Maximum SPL Output: 135 dB peak
  • Frequency Range (-10 dB)
    • Flat: 41-19 kHz
    • Boost: 40-19 kHz
  • Frequency Response (±3 dB)
    • Flat: 53-18 kHz
    • Boost: 50-18 kHz
  • Input Connectors: Balanced XLR-1/4 inch combo jack with XLR loop-through
  • Input Impedance: 20K ohms (balanced), 10K ohms (unbalanced)
  • Signal indicators:
    • Limit: Red LED indicates limiter active condition
    • Signal: Green LED indicates signal present
  • EQ: Presets for use in Main and Boost position
  • Dynamic Control (Input): dbx Type IV limiter circuit
  • Crossover Modes: DSP controlled.
    • LF: 48 dB/Oct filter slope High and Low Pass
    • HF: 36 dB/Oct High Pass
  • Crossover Frequency: 1.8 kHz


  • Design: Crown Class D
  • Power Rating: 1500 Watt (3 x 500)
  • LF Power amp x 2: 1000 Watt
  • HF Power amp: 500 Watt


  • LF Driver: 1 x JBL 265F-1, 380 mm (15 inch) Differential Drive dual voicecoil and magnetic gap, neodymium woofer
  • MF Driver: 1 x JBL 195H, 165 mm (6.5 inch) horn-loaded midrange transducer
  • HF Driver: 1 x JBL 2414H 25.4 mm (1 inch) annular polymer diaphragm, neodymium compression driver
  • Coverage Pattern: 90° x 50° nominal
  • Directivity Index (DI): 9.6 dB
  • Directivity Factor (Q): 9.1
  • Enclosure: Trapezoidal, 18 mm, plywood
  • Suspension/Mounting: 36 mm pole socket, 8 x M10 Suspension Points and 1 x M10 Pull-Back Point
  • Transport: Integrated handle with backing cup
  • Finish: Obsidian DuraFlex finish
  • Grille: Powder coated, Obsidian, 16 gauge perforated steel with acoustically transparent black cloth backing.
  • Input Connectors: Balanced XLR-1/4 inch combo jack with XLR loop-through

Dimensions (H x W x D): 36.29 x 16.9 x 16.27 inches (921 x 429 x 413 mm)
Net Weight: 60 pounds (27.2 kg)
Gross Weight: 64.5 pounds (29.2 kg)

Helpful Info about the Manufacturer
Phone:  818-894-8850 Warranty:  3 Years Amps and PRX700 Series; 2 Years Enclosures & Other
DJ Chris
Overall Rating
Well Worth the money!
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