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1500 Watt Powered 12" 2-Way Speaker


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Product Description for the JBL PRX812W

12” Two-Way Full-Range Main System/Floor Monitor with Wi-Fi

The JBL PRX812W is a full-range speaker designed for main system and floor monitor applications. Featuring a 12”, two-way, bass-reflex design powered by a 1500-watt class-D amplifier, PRX812W delivers incredible volume in a lightweight and compact form factor.

PRX812W is a compact and versatile speaker in the PRX800 Series with remote Wi-Fi control of onboard DSP EQ parameters. It has been designed to deliver maximum performance for its weight and size as both a stage monitor and a front of house main PA. Two user selectable EQ settings are provided to optimize the system for either application. With a dual socket pole mount the PRX812W is a perfect match with a PRX818XLFW subwoofer, offering a high performance self-powered sub/sat system.

The PRX812W is comprised of a 12” Differential Drive® woofer, a 2408H-1, 37.5 mm (1.5 in) annular polymer diaphragm, neodymium compression driver mounted to a 90° by 50° horn, all driven by 1500 watt Class-D digital power amplifier. Sophisticated DSP 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.

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. All M10 suspension points are constructed from 14 gauge steel and have been tested with a yield-strength of 1000 lbs. each.

The amplifier input panel offers XLR or ¼ 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 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 12”, two-way, bass-reflex
  • Maximum SPL Output : 135 dB peak
  • Frequency Range (-10 dB) : Main: 52.6-20k
  • Monitor : 50.3 - 20k
  • Frequency Response (±3 dB) : Main: 58.1 - 20k
  • Monitor : 59- 20k
  • 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
  • EQ : User selectable presets for Main or Monitor position, Advanced EQ settings available using Wi-Fi and PRX Connect application
  • Dynamic Control (Input) : dbx Type IV limiter circuit
  • Crossover Frequency : 1.850 kHz
  • Design : Highly efficient Class-D amplifier
  • Power Rating : 1500W (750W x 2)
  • AC Power Input : 100V - 240V ~ 50/60 Hz
  • LF Driver : 1 x JBL 272G 305 mm (12 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) : 10.2 dB
  • Directivity Factor (Q) : 10.4
  • Enclosure : Asymmetrical, 18 mm, plywood
  • Suspension / Mounting : Dual 36 mm pole socket, 12 x M10 Suspension Points
  • Transport : 1 x injection molded handle 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): : 599 mm x 385 mm x 341 mm
  • (23.6 in x 15.1 in x 13.4 in)
  • Net Weight : 19.4 kg (42.5 lb)
  • Gross Weight : 21.2 kg (48.0 lb)
Brand JBL
Weight 50.0000
Dimensions (WxHxD) No

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