JBL PRX825W Dual 15" 1500W Powered Speaker

JBL PRX825W Dual 15" 1500W Powered Speaker


JBL PRX825W Dual 15" Two-Way 1500W Powered PA Speaker with Wi-Fi Control (wood cabinet, M10 suspension points).

The JBL PRX800W series is the most advanced PA in its class. Wi-Fi technology and sophisticated DSP give you complete control over system tuning and performance via the free PRX Connect app. An efficient 1500-watt class-D amplifier and patented JBL Differential Drive® technology provide best-in-class power and reduced weight. And the rugged all-wood cabinets feature a redesigned input panel and universal power supply for easy, reliable operation worldwide. Designed to deliver legendary JBL sound for bands, DJs and more, PRX800W represents the next generation in smart live sound reinforcement.

The speaker utilizes two 750W Class-D amplifiers delivering a total of 1500W to the two 15" woofer and 1.5" compression driver, which combine to offer a frequency range of 49 Hz to 17 kHz at 138 dB maximum SPL output, plenty of output to cover audiences of up to 400.


  • 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

The built-in Wi-Fi offers wireless control of the system from anywhere in the venue using the free PRX Connect app for iOS and Android devices. The app controls levels, parametric EQ, user presets, and up to 50ms of user-defined delay to fine-tune your setup. The durable 18mm plywood enclosure is coated with an Obsidian DuraFlex finish and a powder coated steel grille with acoustical transparent black cloth backing.



Maximum SPL Output

138 dB peak


Frequency Range (-10 dB)

Normal: 46.2Hz–16.5 kHz
Boost: 46 Hz – 18.3 kHz


Frequency Response (±3 dB)

Normal: 52.6 Hz –17 kHz
Boost:51.8Hz– 17.5k


Input Connectors

2 x Balanced XLR / 1/4 inch input, 2 x unbalanced RCA input


Input Impedance

20K Ohms (balanced), 10K Ohms (unbalanced)


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.



User selectable presets for Normal or Boost, Advanced EQ settings available using Wi-Fi and PRX Connect application


Dynamic Control (Input)

dbx Type IV™ limiter circuit


Crossover Frequency

2.4 kHz



Highly efficient Class-D amplifier


Power Rating

1500W (750W x 2)


AC Power Input

100V - 240V ~ 50/60 Hz


LF Driver

2 x JBL 275 (15 in) woofer


HF Driver

1 x JBL 2408H-2 37.5 mm (1.5 in) annular polymer diaphragm, neodymium compression driver


Coverage Pattern

90° x 50° nominal


Directivity Index (DI)

10.4 dB


Directivity Factor (Q)




Trapezoidal, 18 mm, plywood


Suspension / Mounting

8 x M10 Suspension Points, 1 x M10 pull back point



2x integrated handles with injection molded backing cup



Obsidian DuraFlex™ finish



Powder coated, Obsidian, 16 gauge perforated steel with acoustical transparent black cloth backing.


Dimensions (H x W x D):

1061 mm x 446 mm x 539 mm
(41.8 in x 17.5 in x 21.2 in)


Net Weight

37.19 kg (82.0 lb)


Gross Weight

43.0 kg (95.0 lb)