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JBL PRX612M 12" 2-Way Active PA Speaker

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The JBL PRX612M 12" 2-Way Active Stage Monitor is the most compact and versatile speaker in the PRX600 Series. It has been designed to deliver maximum performance for its weight and size as both a sta... Click To Read More About This Product

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The JBL PRX612M 12" 2-Way Active Stage Monitor is the most compact and versatile speaker in the PRX600 Series. 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 PRX612M is a perfect match with a PRX618S subwoofer, offering a high performance self-powered sub/sat system.

The PRX615M is comprised of a 305 mm (12 in) 262F-1 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 1000 watt (dual 500 watt) Crown® Class-D digital power amplifier.

A proprietary DSP chip 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.

The amplifier input panel offers XLR or 1„4 in 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.

All PRX600 cabinets are built from a combination of 25 mm (on the top and bottom for added rigidity) and 18 mm, strong, lightweight poplar plywood made structurally sound with tongue and groove joints.

All PRX600 Series cabinets are protected by JBL's tour proven DuraFlexTM finish. Grilles are made from dent-resistant 16 gauge steel and handles are made from lightweight, 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.


Maximum SPL 134 dB peak 
Dual purpose enclosure for both front-of
house and floor monitor applications
Eight M10 fly points for horizontal or vertical suspension. One M10 pull-back point.
Optimized EQ for monitor or front-of- house applications
305 mm (12 in) Differential Drive® dual voice-coil and magnetic gap, neodymium woofer
37.5 mm (1.5 in) annular polymer diaphragm, neodymium, compression driver
1000 Watt (Dual 500 watt) Class-D, Crown® amplifier.
DSP input section, crossover, dynamic limiting, component optimization, selectable system EQ
Professional XLR line and 1„4 in Mic/Instrument inputs, with loop-through.
Dual socket pole mount with (angle) down-tilt.
System Type: Self powered 12", two-way, bass-reflex 
Maximum SPL Output: 134 dB (Full Range) peak; 133 dB (Monitor) peak

Frequency Range (-10 dB):
Full Range 50 Hz-19.5 kHz
Monitor (vertical orientation) 60 Hz-19.5 kHz
Monitor (monitor orientation) 51 Hz-19.5 kHz

Frequency Response (±3 dB):
Full Range 60 Hz-17.5 kHz
Monitor (vertical orientation) 90 Hz-18 kHz
Monitor (monitor orientation) 61 Hz-18.5 kHz

EQ: Presets for use in Main and Monitor position
Dynamic Control (Input): dbx Type IV limiter circuit
Dimensions (H x W x D): 592mm x 353mm x 340mm (23.3" x 13.9" x 13.4")
Net weight: 15.6 kg (34.5 lb)
Gross weight: 19.2 kg (42.5 lb)
Customer Reviews

Review Snapshot

by PowerReviews
JBLPRX612M 12" 2-Way Active PA Speaker

(based on 5 reviews)

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Reviewed by 5 customers

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(5 of 5 customers found this review helpful)


Well Worth the Investment!

By michael holmes

from St. Louis

Comments about JBL PRX612M 12" 2-Way Active PA Speaker:

I'm a keyboard player fortunate to work 65-75 gigs a year doing local bars, and some special public and private events doing dance rock covers locally. That's pretty hard on equipment, without the advantage of a label-sponsored keyboard tech to make sure things are always up to par. I've been blessed with ability to replace my equipment on a rolling schedule about every 3-4 years, before issues occur. Durability and dependability have always been my first priority; you get what you pay for. I recently purchased two PRX612M. One in the local GC store, because I valued the guy's time and input answering my questions; he has to eat too. The second one I ordered immediately after, online, to get a greatly reduced sales tax rate. I've been spoiled into using stereo floor monitors for onstage keyboard monitors (thank you, Greg Phillinganes!), running through a Mackie 1402,and then to FOH. Coming from passive cabs and power (Peavey PV12M abd QSC GX5, which lasted 3 yrs, and were still going strong), I wasn't sure what to expect....under live conditions. Store and home demo's are one thing. Live outdoors, is the ultimate test. FYI, I also bought a pair of OnStage RX4000 amp stands; one for each cabinet. The PRX612M fits nicely into the stand...vertically, which allows one or two to fit under my lowest keyboard, for tight-spaced stages. I usually prefer them in the typical horizontal monitor position. I've found the RS4000 not only protects them from damange, but also greatly reduces unwanted LF grounding. The sound quality, despite their light weight and compact construction is beyond expectations. The richness and clarity of tone, is akin to an upscale birchwood cabinet on a wooden floor stage with a medium crowd...and this was OUTDOORS on an open stage. Since I only use them as keyboard monitors, I'm only tapping 50% of cabinet power, each side, and my board is at 30% both channels, with channel gains at 50%. We're a faily loud group, onstage-sound-wise, despite having a killer FOH system. That said, I have more than ample headroom on these to use them conventionally behind me, or as a mini PA. These are not cheap, but since music is my second income, they are an investment. I may have to amend my policy....and keep them 2-3 years longer than I normallt would, because I can't imagine what could be this price range. Just get what you pay for. Spend the extra a few extra gigs....and make THIS investment.

(2 of 2 customers found this review helpful)



By Thomas Buck

from Livonia, MI

Comments about JBL PRX612M 12" 2-Way Active PA Speaker:

I purchased 2 PRX612m in April 2013, and I have never been happier. I have received numerous compliments on the quality of the sound that these things put out. I plan on adding a sub or two to complete the system in the next month or so.

(1 of 2 customers found this review helpful)


Great Speaker


from Berwyn IL

Comments about JBL PRX612M 12" 2-Way Active PA Speaker:

I bought this for our drummer who uses this speaker for our electric drum set. It projects better then we expected and saved the life of our electric drum set that we were going to trash cause we couldn't enough sound out of what we had. It has good bass and is very clear.

(1 of 1 customers found this review helpful)


Big sound from a little box!

By Dennis Knudsen

from Boston, MA

Comments about JBL PRX612M 12" 2-Way Active PA Speaker:

I researched powered speakers for quite some time. After going to GC and listening to these I made my choice. (Thanks Matt/GC Briantree, MA) These speakers sound GREAT! When I got home and hooked them up, my 10 year old said "Wow dad they sound real good!". I've used these for crowds up to 150 people with with no sub and no problems. You will not be disapointed. Pros:Light weight, GREAT sound, very loud AND clear, competitive price. Look online and take advantage of GC's low price guarantee. Cons: None yet and none expected.

(1 of 1 customers found this review helpful)



By Juan Casas

from Guaynabo, PR

Comments about JBL PRX612M 12" 2-Way Active PA Speaker:

These monitors are excelent!!!! We have 3 of these one for myself bassist and each guitarist in my band "It Is What It Is" They are portable enough to carry around, deliver exquisite sound, very powerful, clear and full. HIGHLY Recommend them great investment!

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