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Customer Reviews

AudioControl EQX

Stereo 13-band graphic equalizer with 2-way crossover (Black)

MFR # 841-025-8

AudioControl EQX

AudioControl EQX

Stereo 13-band graphic equalizer with 2-way crossover (Black)

MFR # 841-025-8

4 reviews
View this product

Arm yourself with an RTA and Dive in - You will be handsomely rewarded

Robert from Montgomery, TX on 5/1/2019

Verified customer (What's this?)
Verified employee purchase (What's this?)

I'm old school so I bought this to tune my 2011 Edge running Morel Tempo Ultra 572's. Let me just cut to the chase, you have two options to get your aftermarket sound right - you either go old school with this EQX (there is no comparison as this thing has survived like the alligators because it is that good) or just bite the bullet and go digital signal processor (at a cost). Let me tell you though, armed with an RTA and a propensity to never settle for anything, this thing is a project unto itself. And after you have done everything you can to get that nasty 500-1000 Hz node/coupling peak resolved, you will be left with superb sound that will leave you stunned.

Pros: Old school equalization with an excellent balance of signal, cossover and equalization control. Very quiet and clean design. Built like a damn tank.

Cons: Comes shipped with a 90 Hz fourth order pre-installed XO so I ordered an 80 and got it in less than a week for 10 bucks or something.

Crutchfield response on

1 of 1 found this helpful

Nice EQ

Lloyd from Aurora, CO on 5/1/2019

Verified customer (What's this?)
Verified employee purchase (What's this?)

Very good EQ, bi this is not for the newbie. Noise can be easily introduced in our system if not correctly grounded. Very good harmonics and a wide area of frequencies to adjust.

Pros: Very easy to tune.

Cons: Must be an experienced installer for best results.

Crutchfield response on

0 of 0 found this helpful

AudioControl EQX

Frank from Huntsville, Al on 1/26/2014

Verified customer (What's this?)
Verified employee purchase (What's this?)

Overall very happy with the install - in a 2013 Nissan Frontier being fed from the speaker level outputs of the factory head unit which then feeds a 4 channel Alpine amp. Did all of the initial adjustments using the RTA function of the Audio Tools app on an IPAD / pink noise and then some final adjustments by ear with music. All of the boominess of the low end is now gone and bass notes are discernible in the music - the mid-range and highs are well balanced. The Alpine amp feeds the 2 front speakers (Focal 165VB's which are absolutely wonderful) and 2 channels bridged feed a Pioneer sub. Using an RTA for adjustment does make a difference - I enjoy a wide variety of music and all of sounds excellent now. I have always replaced the head unit in previous installs but with since this head unit had all of the features I wanted I went this route with no regrets.

Pros: Excellent sound form the factory head unit / truck acoustics and fairly easy to adjust.

Cons: None so far.

Crutchfield response on

0 of 0 found this helpful

Good design, build and features

Rob_L from Augusta, GA on 10/10/2009

Verified customer (What's this?)
Verified employee purchase (What's this?)

Although the JL Audio Clean Sweep flattened out the output from my GM factory head unit, it's not designed to match the system output to the vehicle (in this case, a 2005 Tahoe). The EQX is in the chain right after the Clean Sweep and replaced a cheaper (in every way) graphic EQ with crossover which did not have enough fine control over the lower ranges to fix problems in a large vehicle where the ambient noise is pretty low frequency. The 1/2 octave control points for the low frequency output did the trick. I only wish that there were 1/2 octave intervals for the high-pass end, as well - but it still does a very nice job. I have (and highly recommend) a 1/3 octave RTA with reference mic and used this to "pink" the system. The only music source I listen to is my beloved Kenwood Music Keg (with lossless FLAC files). The EQX, coupled with a four-channel amp for the doors (Polk Audio) and a two-channel amp for the JL Audio center console sub, comes much closer to the audiophile sound desired. This unit is expensive and on-line dealers are not over-abundant, but it is an excellent piece of equipment.

Pros:

Cons:

Crutchfield response on

10 of 12 found this helpful

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