JBL JRX212 12 in. Two-Way Stage Monitor Loudspeaker System
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- JRX212
Description
JBL JRX212 12 in. Two-Way Stage Monitor Loudspeaker System
The JRX212 is a portable, rugged stage monitor built to handle the demands of live performance. Its compact footprint and dual non-resonant steel handles make it practical to position and transport, while the 19 mm MDF enclosure with advanced adhesives delivers durability without compromising acoustic integrity. This is a workhorse designed to survive repeated touring and sit reliably on stage night after night.
Acoustic Performance & Coverage
With a 98 dB sensitivity rating and 128 dB maximum SPL, the JRX212 delivers commanding output from modest amplifier power. The 90° x 50° nominal dispersion combined with a dual-angle pole-mount socket (10° tilt capability) ensures uniform coverage across stage monitoring positions, while the Progressive Transition™ waveguide on the high-frequency driver reduces distortion and smooths response across the critical crossover region—crucial for hearing yourself clearly in a live mix.
Drivers & Power Handling
The system pairs a JBL 12 in low-frequency driver with a 64 mm edgewound ribbon voice coil—which provides greater cross-sectional wire area than round wire designs for improved efficiency and tight, responsive bass reproduction—with a JBL 2414H-C 25 mm polymer diaphragm compression driver. The advanced network topology crossover at 2.1 kHz uses high-voltage capacitors and inductors with heavy gauge wire to handle 250 watts continuous and 1000 watts peak power without saturation, while SonicGuard™ protection safeguards the high-frequency driver from excess power during live performance, keeping your monitor stable through extended sets.
Key Features
- 12" two-way stage monitor system with dedicated high and low frequency drivers
- JBL 2414H-C compression driver with 25 mm polymer diaphragm on Progressive Transition™ waveguide
- JBL M112-8 12 in woofer with 64 mm edgewound ribbon voice coil
- 2.1 kHz crossover frequency with advanced network topology design
- 98 dB sensitivity (1W/1m) for efficient amplifier coupling
- 128 dB maximum SPL with 250W continuous / 1000W peak capacity
- Frequency response ±3 dB: 80 Hz – 18 kHz; range to 60 Hz – 20 kHz (-10 dB)
- 90° x 50° nominal dispersion with dual-angle pole-mount socket (10° tilt)
- 19 mm MDF enclosure with 18-gauge perforated steel grille and all-steel handles
- 8 Ω nominal impedance; recommended 250–500W amplifier @ 8 Ω
- Neutrik® Speakon® NL-4 and .25" TS phone jack inputs (parallel)
- Compact dimensions: 23" H x 15.7" W x 12.8" D; weighs 43 lb
The JRX212 combines professional-grade drivers, intelligent crossover design, and roadworthy construction to deliver the reliable stage monitoring that gigging musicians depend on—night after night, venue after venue.
More Information
| Condition | New |
|---|---|
| Country of Manufacture | China |
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At a Glance
The JBL JRX212 is a portable 12-inch two-way stage monitor built to survive repeated touring and deliver commanding output on stage night after night. Gigging musicians and sound techs rely on its 98 dB sensitivity, 128 dB max SPL, and rugged MDF enclosure with steel handles to position monitors reliably across any venue. Choose it for rock-solid stage monitoring that won't quit after hundreds of gigs.
Frequently Asked Questions
What amplifier power do I need to run the JRX212?
JBL recommends a 250–500W amplifier at 8 Ω nominal impedance. The speaker handles up to 250W continuous and 1000W peak power, so any amp in that range will couple efficiently thanks to the 98 dB sensitivity rating.
How wide is the coverage area on stage?
The JRX212 has 90° horizontal by 50° vertical nominal dispersion, which spreads sound across typical monitor positions without dead zones. The dual-angle pole-mount socket with 10° tilt capability lets you angle it precisely for different stage layouts.
What drivers are inside, and how do they handle the crossover?
It pairs a JBL 12-inch woofer with a 64 mm edgewound ribbon voice coil (more efficient than round wire) with a JBL 2414H-C compression driver on a Progressive Transition waveguide. The 2.1 kHz crossover uses advanced network topology with high-voltage caps and heavy gauge wire to smooth response and reduce distortion in the critical midrange.
What is the frequency response and maximum output?
Frequency response is ±3 dB from 80 Hz to 18 kHz, extending down to 60 Hz and up to 20 kHz at reduced levels. Maximum SPL is 128 dB, delivering commanding output from modest amplifier power in live venues and rehearsal spaces.
How portable is it, and what are the dimensions?
The JRX212 measures 23 inches tall by 15.7 inches wide by 12.8 inches deep and weighs 43 pounds. Dual non-resonant steel handles make it practical to position and transport to multiple gigs, and the 19 mm MDF enclosure with all-steel construction survives repeated touring.
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