12" Two-Way Bass Reflex Passive System

Buy It Now
Larger Images

12" Two-Way Bass Reflex Passive System

SRX812 is a two-way full range passive portable speaker with a 12” woofer made for use as a light-duty main PA, monitor, or rear or side fill. Featuring M10 suspension points and feet for both floor standing and monitor use, the SRX812 is an ideal solution for musicians, bands, and DJs, concert use, public speaking, or installations such as performance venues, corporate spaces, educational facilities or houses of worship. Tunings and presets are available for Crown ITech HD.



  • Premium JBL Transducers
  • Tunings available for Crown amps and dbx signal processors
  • Fully supported in Audio Architect
  • Power Handling: 3200W Peak, 1600W Program, 800W Continuous
  • Frequency Range: 41Hz-20kHz
  • Frequency Response: 57Hz-20kHz
  • Max SPL: 129dB (Peak)
  • Coverage Pattern: 90 x 50
  • Amplification options: Passive/Bi-Amp


  • Live performance systems.
  • Mobile and fixed DJ systems.
  • Sound system rental and tour.
  • Permanent installations.



Every detail in the SRX800 Series was purposefully designed and thought through with full consideration for its intended use. Ergonomically designed handles support an easy, non-fatiguing grip for streamlined handling. M10 suspension points, indexed feet, and pole/tripod mounts support a wide, flexible array of configurations.


JBL’s patented Differential Drive® Technology ferrite drivers incorporate 3" voice coils with lower mass ferrite magnets for reduced weight, increased power handling, exceptionally low distortion and extended low frequency response. JBL’s 2432H is the only neodymium 3" voice coil compression driver in this class, delivering very high power levels and smooth, crystal clear sound.


  Version Language Size Uploaded
SRX812 Spec Sheet
version 11/19, updated: Dec 17, 2019
11/19    1.05 MB Dec 17, 2019
SRX800 Passive Series Compliance
updated: Oct 02, 2019
    139 KB Oct 02, 2019
Audio Architect
updated: Apr 29, 2019
    9.96 KB Apr 29, 2019
SRX Connect
updated: Oct 09, 2019
    Oct 09, 2019
HiQnet Audio Architect
updated: Jan 15, 2020
    Jan 15, 2020
SRX Connect
updated: Oct 09, 2019
    Oct 09, 2019
Speaker Tunings
SRX800 Passive I-Tech 4x3500HD Tunings
updated: Feb 24, 2020
    41.3 KB Feb 24, 2020
SRX Passive Bi-amp tunings Table
updated: Oct 02, 2019
    2.69 MB Oct 02, 2019
SRX800 Passive I-Tech HD Tunings
updated: Feb 24, 2020
    23.7 KB Feb 24, 2020
SRX800 Driver
updated: Apr 29, 2019
    158 KB Apr 29, 2019
SRX800 Handle
updated: Apr 29, 2019
    208 KB Apr 29, 2019
SRX812 Monitor
updated: Oct 07, 2019
    345 KB Oct 07, 2019
SRX812 Angle No-Grill
updated: Oct 08, 2019
    218 KB Oct 08, 2019
SRX812 Angle
updated: Oct 08, 2019
    291 KB Oct 08, 2019
SRX812 Front
updated: Oct 08, 2019
    211 KB Oct 08, 2019

If any of the links above result in strange characters in your browser, please right-click the file to save it to your computer.


System Type Passive 12”, two-way, bass-reflex
Maximum SPL Output 123dB (Continuous), 129dB (Peak)
Frequency Response (-10dB) 41hz - 20khz
Frequency Response (-3 dB) 57hz - 20khz
Sensitivity (1W, 1m) 94dB
System Power Rating 3200W Peak, 1600W Program, 800W Continuous
Nominal Impedance 8 Ohm
Inputs NL4 Input, NL4 Loop-thru (+/-1 or +/-2 Selectable)
Operational Modes Passive/Bi-Amp
LF Driver 2272H
HF Driver 2432H
Coverage Pattern 90 x 50
Crossover Frequency 1.9khz
Enclosure 18mm Duraflex coated plywood
Monitor Angle 50°
Suspension/Mounting Dual 36mm pole socket, 12 x M10 Suspension points
Handles 3
Finish Obsidian Duraflex™ finish
Grille Powder coated, Obsidian, 14-gauge perforated steel with acoustically transparent black cloth backing
Dimensions (H x W x D) 429mm x 415mm x 638mm (16.87in x 16.31in x 25.11in)
Weight 55.0 lbs (24.9kg)
Shipping Weight 65 lbs (29.3kg)