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Product 600348

JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair   

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This amazing dual 15" 2-way speaker functions as a quasi 3-way: the upper woofers cover lows and mids, and the lower woofers are crossed so they only...Click To Read More About This Product

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OVERVIEW

Beefed up low-end from this 2-way box!

This amazing dual 15" 2-way speaker functions as a quasi 3-way: the upper woofers cover lows and mids, and the lower woofers are crossed so they only cover lows—acting as built-in subwoofers. Progressive Transition WaveGuide horn design for enhanced high-end performance and SonicGuard circuitry to protect driver voice coils from feedback and clipping damage. Built with American-made JBL drivers, beefy JBL crossovers, roadworthy MDF cabinets, heavy-duty recessed handles, curved steel grilles, and rugged carpet covering. The JRX100 speakers are built to withstand the rigors of constant touring while delivering renowned JBL sound night after night.

FEATURES
  • Dual 15" woofers
  • 2" high-frequency compression drivers with 1" exits
  • Progressive Transition WaveGuide horns
  • Systems function as quasi 3-way
  • 3/4" acoustically superior MDF cabinets
  • Trapezoid cab design for excellent projection
  • 500W continuous power capacity
  • 1,000W peak power capacity
  • Heavy-duty recessed handles
  • Heavy steel grilles
  • 1/4" and Speakon connectors
  • SonicGuard protection circuitry
  • 18-1/4"W x 43-1/4"H x 17"D
SPECIFICATIONS

JRX125 Dual 15" 2-Way Speaker Cabinet Pair

  • Frequency range (-10dB): 38Hz-16kHz
  • Frequency response (±3dB): 50Hz-12.5kHz
  • Sensitivity (1w/1m): 100dB SPL
  • Nominal impedance: 4 ohms
  • Power capacity: 500W continuous, 1,000W peak
  • Maximum SPL: 133dB
  • Nominal dispersion: 90 degree x 50 degree
  • Crossover frequency: 2kHz
Reviews
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Review Snapshot

by PowerReviews
JBLJRX125 Dual 15" 2-Way Speaker Cabinet Pair
 
4.9

(based on 33 reviews)

Ratings Distribution

  • 5 Stars

     

    (31)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Good audio (3)

Cons

No Cons

Best Uses

No Best Uses

Reviewed by 33 customers

Displaying reviews 1-10

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(9 of 11 customers found this review helpful)

 
5.0

DJ

By chris johnson

from Wisconsin

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

I purchased these last year and i've used them for various shows large rooms and also out door shows,and these speakers rock! I have pushed these speakers to the point that i thought they could'nt even handle i thought i was pushing my luck but let me tell you i was wrong these babies can take a beating they sound great!! I run a qsc gx5 amp these speakers run in 4ohms so i'm pushing 750 watts continuous to each channel. and let me tell you these speakers are worth the money. I recommend anyone to buy these you wont be dissapointed.

(7 of 7 customers found this review helpful)

 
5.0

Superb old-school cabs

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

Unlike modern powered cabs, (which definitely have some advantages) these relatively simple cabs need only one cable (the speaker cable) to hook them up. That greatly reduces setup complexity, hassle and time expenditure. You don't have to worry about EMI from power cables running near signal cables, grounds loops, separate outlets, extra AC filters etc.Sound quality is excellent, assuming you use an adequate amplifier. As for those who claim they need an extra sub...You must realize that in ANY enclosed space, the room can only handle so much low end. Once the room reaches a maximum SPL at low frequencies (150 or lower) you CANNOT get any appreciable increase in low-end volume. You only create phase problems, which translate to confusing low-end mud. These things go as low as any sane sober person ever would want, and they would certainly satisfy most crazy high people too. The advantage to JBL's clever design here is that ALL the low end comes from a single PLANE, the front baffle of this cab. That insures your low-end is not only low and loud, but phase coherent. The frequency response is nearly flat down to 50 Hz and within + / - 10dB down to 38Hz.That smooth low-end roll-off is beneficial. It helps prevent "room loading."So unless you are playing outdoors, where the physics of acoustics change drastically, these cabinets are a great idea. Also, they DO NOT reproduce very high frequencies VERY loudly. That's good inside a reverberant room. High frequencies are more directional than low frequencies, and they are also more reverberant. That means they reflect from surfaces like walls, ceilings, furniture etc. The net effect is that too much long-throw high end will "smear" the room with unpleasant and uncontrollable harshness. Short throw high end is an entirely different thing, but compression-drivers coupled to horns are definitely "long-throw" devices. Here again, JBL's engineers know their business, and they made these things to compensate for room acoustics. These are basically flat from 50 to 12kHz. (the central "bulk" of musical frequencies) Then they taper off at the very problematic super low-end, (below 50 cycles) and taper off above 12kHz. That makes your mixes sound better with less high-tech gadgetry and far less complexity. That means: good sound with less expense, less hassle. Are these super hi-fidelity across the entire audible range? NO. For most rock bands, that is also a good thing. These will sound very clear yet "warm" to most people.When you take everything into consideration, these old school cabs solve a lot of problems automatically. No; They are NOT intended for ridiculous super low-end. No; they do not provide ruler flat response up to 20kHz.However, in most situations, those are good traits. If you do numerous outdoor concerts at very high volumes, you will need a different system with MUCH more speaker area and a mix of long-throw and near-field high-frequency devices.If you play in tall theaters or stadiums, you will need a splayed line array system with subs and sophisticated software control to get professional dispersion, frequency response and projection to every seat in the house.For most rock bands, these cabs do a fantastic job because they are designed by trained acousticians who understand the laws of physics. They did the hard science so all you have to do is hook up your amps and rock.The only reason I deducted one half point for value and features is I believe they should come with casters and a handle for this price. For simplicity, power, dispersion and musical reproduction, these are hard to beat at any price.

(6 of 6 customers found this review helpful)

 
5.0

Superb

By justen worden

from Wisconsin

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

Excellent speakers. In my book, it doesn't get any better for the money. I've been playing in touring bands for years and I've also used mine at home (for casual music listening) and these are definitely top-notch in both situations. I use a Mackie mixer coupled with either a dbx DriveRack or just an equalizer and crossover; in both conditions, I use two QSC RMX 2450 amps (one for the JBL pair and one for a pair of Electro Voice iForce 18" subs). Although these amps could probably make anything sound good, I am very impressed with the JBLs' performance.

(6 of 6 customers found this review helpful)

 
5.0

Excellent sound after driver upgrade

By irguy

from San Diego, CA

See all my reviews

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

We use a pair of these speakers for our contemporary worship services in a medium-small room. When pushed even a little we found the highs to be shrill and brittle - very unpleasant to listen to. After a bit of research I found this was a fairly common complaint and that there was a simple, inexpensive solution: replace the high freq. drivers, which we did. We purchased a pair of Selenium 220 drivers for $40/ea and spent about 25 minutes replacing both of them - a really simple operation, as the drivers simply thread onto the horns. The difference in sound was amazing. Warm, richly detailed sound with not even a hint of shrillness. With this minimal upgrade, these speakers sound awesome, even when pushed. I have always preferred the sound of EV to JBL, but after the upgrade these easily sound better than the far costlier EV's I've worked with. Many folks love these speakers as-is. But if you buy them and find that you want more warmth and openness on the high end, you can absolutely get that. Either way you just can't lose with these speakers.

(4 of 5 customers found this review helpful)

 
5.0

Versital and Powerful

By Knobbs' Audio

from Clearlake, California, USA

See all my reviews

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

I purchased two about 4 years ago, added another pair 2 years ago. I have never had a complaint, lack of sound (volume, frequency range). I added a couple of oversized 18" sub cabinets, but I hardly use them. The are there more for looks and work well as speaker stands for the JRX's. Folks think "ALL" the bottom end is coming from the 18" subs, when the JRX's are actually the source of the chest pounding.Have had no problems at ALL with these speakers!

(3 of 3 customers found this review helpful)

 
5.0

Great

By Kannon19

from MS

See all my reviews

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

I am very pleased with these speakers. Had them for about a year. They can get loud or they sound good soft. I've never had any problems with them (they are heavy though). Solid, solid buy.

(3 of 4 customers found this review helpful)

 
5.0

THESE ROCK

By Anonymous

from Undisclosed

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

I've had these speakers for about 4 years now and played 100's of gigs with them. They sound fantastic and have had NO problems!!!!

(3 of 3 customers found this review helpful)

 
5.0

very good cabinets

By David Plasti-K

from Bogota, Colombia

See all my reviews

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

I have four of these cabinets and they are good for small and medium size places. They sound very well but you need to put them a little high to take good advantage on the sound. I dont recommend them for very small size venues since I have a pair of yamaha club series that work better with the stands. I think that The electro voice force i full range are better but this cabinets are very good for the price and if you carry them with another person they are not heavy.

(3 of 3 customers found this review helpful)

 
5.0

Carolina TrebleHook

By Thomas Boyd

from Wilmington NC

See all my reviews

Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

We got these for more punch on our mains,butour power amp was only 600watts,,so we got a2800watt power amp and man !!JBL ROCKS!!! We were asked to turn down at a rock club!! We were all smiles,,but we were polite... Tom Boyd

(2 of 2 customers found this review helpful)

 
5.0

Nice Full Sound

By junction

from Michigan

About Me Experienced

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Pros

  • Clear Sound
  • Durable

Cons

    Best Uses

    • Clubs

    Comments about JBL JRX125 Dual 15" 2-Way Speaker Cabinet Pair:

    Amazing sound for the price. For smaller shows we don't even need subs, these have plenty of low end to fill small rooms.

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