JBL PRX812W (unit)
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JBL
https://www.jbl.com
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PRX800: The New Generation of Mobile Sound Reinforcement Speakers by JBL
With the PRX 800 series, JBL positions the PRX812W within a family of active speakers designed to meet the demands of modern performances: quick setup, high performance levels, and precise control, even when the speaker is already mounted on a stand, suspended, or used as a wedge. Developed to deliver the JBL sound in a mobile format, the PRX812W combines lightweight, powerful amplification, advanced DSP processing, and ergonomics tailored for musicians, DJs, and event professionals.
A Versatile Speaker for Stage, DJ Sets, and Events
The JBL PRX812W is aimed at those seeking a speaker capable of doing it all without compromise: front-of-house (Main) for small to medium systems, sound reinforcement for multipurpose rooms, or stage monitoring (Monitor) for improved precision and playing comfort. Its 12-inch format strikes an excellent balance between low-mid impact, vocal presence, and portability, while its directivity helps better manage coverage in common situations (seated/standing audience, narrow stage, low ceiling).
Control, Power, and Reliability: The Key Strengths of the PRX812W
Remote Control via Wi-Fi and PRX Connect
The integration of Wi-Fi transforms the PRX812W into a remotely controllable sound reinforcement tool: you can adjust levels, fine-tune the equalization, and align your system using delay (up to 50 ms) directly from the PRX Connect app. Convenient for fixing feedback on stage, balancing a pair of front-of-house speakers, or adapting presets without returning to the rear panel.
Advanced DSP and Presets: Quick Setup
The built-in DSP module offers a selection of user presets tailored to applications: Main configuration for front-of-house and Monitor for stage monitoring, along with EQ settings. This approach allows you to quickly achieve a coherent sound foundation, then refine it according to the room, placement, and source (vocals, guitar, keyboards, DJ mix).
1500 W Class D Amplification and JBL Differential Drive Transducers
The PRX812W features Class D amplification delivering 1500 W (2 x 750 W), designed to provide high dynamic range while keeping weight low. The JBL Differential Drive transducers help increase sound pressure level in a compact design, maintaining a clean and impactful sound. The result: a speaker with headroom, useful for level peaks (snare drum, bass attacks, vocals that "cut through") and performances requiring intelligibility at high volume.
Comprehensive Connectivity Designed for the Field
The connection panel has been redesigned for simple and efficient use, featuring Crown-style input technology. You get Combo XLR/6.35mm Jack (balanced) inputs as well as an RCA input, and an XLR loop-through output to quickly chain a second speaker or send the signal to another system component.
Durability and Protection: Ready for the Road
Built around a wooden enclosure, the PRX812W emphasizes strength and longevity: shockproof DuraFlex finish, impact-resistant grille, non-slip handles, and an intelligent variable-speed fan that only activates when necessary. The dbx Type IV limiter helps maintain clear and precise sound at high levels while protecting operation under demanding conditions (busy mix, energetic DJ set, loud monitors).
Technical specifications
| Bluetooth | No | ||
| Type | 12", 2-way powered, bass-reflex, stage monitor | LF | 1 x JBL 272G 305 mm (12") |
| Frequency response | 56 Hz - 20 kHz (+/- 3 dB) / 45 Hz - 20 kHz (-10 dB) | HF | 1 x JBL 2408H-2 37.5 mm (1.5") |
| Crossover frequency | 1,850 Hz | Transducers | JBL Differential Drive, neodymium JBL speakers |
| Maximum SPL at 1 m | 135 dB | Inputs | 2 Combo XLR/6.35mm Jack balanced + RCA |
| Dispersion (H x V) | 90deg x 50deg | Output | XLR loop-through |
| Amplification power | 1500 W (2 x 750 W) Class D | Input technology | Crown style |
| DSP | user presets (Main/Monitor), EQ configurations | Enclosure | wood |
| Control | built-in Wi-Fi, PRX Connect app (iOS/Android), 8-band parametric EQ, delay up to 50 ms | Finish | DuraFlex |
| Protection | dbx Type IV limiter | Grille | impact-resistant |
| Cooling | intelligent variable-speed fan | Mounting | 12 M10 suspension points, dual 36 mm pole sockets |
| Power supply | universal | Handles | non-slip |
Questions frequently asked
Does the Wi-Fi control of the JBL PRX812W work with a smartphone?
The built-in Wi-Fi allows control via the PRX Connect app on iOS and Android. The 8-band parametric EQ and an adjustable delay of up to 50 ms are accessible remotely.
Can this speaker be used as a stage monitor?
The Monitor DSP preset is designed for stage monitor use, while the 12-inch format enhances vocal presence and low-mids.
What inputs are available on this JBL speaker?
The balanced Combo XLR/6.35 mm jack inputs accept common sound reinforcement sources. An RCA input is also provided. The XLR loop-through output allows connecting a second speaker or sending the signal to another system component.
What sound pressure level can the PRX812W reach?
With a maximum of 135 dB SPL at 1 m, the speaker has enough headroom for sustained high-level performances. The Class D amplification delivers 1,500 W, split into 2 x 750 W.
Can the JBL PRX812W be pole-mounted or flown?
Twelve M10 suspension points are provided for rigging. The dual 36 mm socket also allows pole mounting, with a specified weight of 19.4 kg.
