12” Powered Speaker


Product Highlights

  • 1500W, 12″ 2-way active PA speaker
  • Onboard Wi-Fi technology and advanced DSP offer remote system operation
  • 12″ Woofer and 1.5″ Compression Drivers
  • Frequency Response 58 Hz to 20 kHz
  • 135 dB Max SPL Output
Rentex No. JBLPRX812 | Mfr No. PRX812W

The PRX812W from JBL is a 2-way powered loudspeaker designed for main PA and monitor applications with extensive Wi-Fi control over the on-board DSP. The speaker utilizes two 750W Class-D amplifiers delivering a total of 1500W to the 12″ woofer and 1.5″ compression driver, which combine to offer a frequency range of 52 Hz to 20 kHz at 135 dB maximum SPL output.

System Type Self-Powered 12.0″ / 30.5 cm, two-way, bass-reflex
Max SPL Level 135 dB peak
Frequency Range Frequency Range (-10 dB)
Main: 52.6 Hz to 20 kHz
Monitor: 50.3 Hz to 20 kHz
Frequency Response ± 3dB Main: 58.1 Hz to 20 kHz
Monitor: 59 Hz to 20 kHz
Input Connectors 2 x Balanced combo XLR-1/4″ / 6.35 mm input
2 x unbalanced RCA input
Input Impedance 20 kOhms (balanced)
10 kOhms (unbalanced)
Signal Indicator 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 Section User-selectable presets for Main or Monitor position, Advanced EQ settings available using Wi-Fi and PRX Connect application
Dynamics dbx Type IV limiter circuit
Crossover Frequency 1.850 kHz
Design Highly efficient Class-D amplifier
Power Rating 1500 W (750 W x 2)
AC Power 100 to 240 VAC ~ 50/60 Hz
LF Driver 1 x JBL 272G 305 mm (12.0″ / 30.5 cm) woofer
HF Driver 1 x JBL 2408H-2 (1.5″ / 3.8 cm) annular polymer diaphragm, neodymium compression driver
Coverage Pattern 90 x 50° nominal
Directivity Directivity Index (DI): 10.2 dB
Directivity Factor (Q): 10.4 dB
Enclosure Asymmetrical, 18 mm, plywood
Suspension / Mounting Dual 1.4″ / 36.0 mm pole socket, 12 x M10 Suspension Points
Transport and Storage 1 x injection-molded handle with backing cup
Finish and Grille Color Finish: Obsidian DuraFlex finish
Grille: Powder-coated, Obsidian, 16-gauge perforated steel with acoustical transparent black-cloth backing
Dimensions (H x W x D) 23.6 x 15.1 x 13.4″ / 59.9 x 38.4 x 34.0 cm
Weight 42.5 lb / 19.3 kg

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