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JL Audio FiX™ 86

Sound processor for adding amps and speakers to a factory system — 6 outputs

Item # 13698103

You want to upgrade the sound system in your car with new speakers and amps but replacing the factory radio is just...

You want to upgrade the sound system in your car with new speakers and amps but replacing the factory radio is just...

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Item # 13698103

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About the JL Audio FiX™ 86

To build a high-quality sound system, start with a clean slate

You want to upgrade the sound system in your car with new speakers and amps but replacing the factory radio is just not an option. However, your factory system uses unusual EQ curves and preset time alignments that work well with the inexpensive factory speakers, but will prevent your aftermarket gear from reaching top performance. JL Audio's FiX 86 digital signal processor removes the factory system's equalization, crossover filtering, and time alignment, providing you with a completely flat and focused audio signal that your aftermarket amplifiers and processors can turn into high-fidelity music.

To build a high-quality sound system, start with a clean slate

You want to upgrade the sound system in your car with new speakers and amps but replacing the factory radio is just not an option. However, your factory system uses unusual EQ curves and preset time alignments that work well with the inexpensive factory speakers, but will prevent your aftermarket gear from reaching top performance. JL Audio's FiX 86 digital signal processor removes the factory system's equalization, crossover filtering, and time alignment, providing you with a completely flat and focused audio signal that your aftermarket amplifiers and processors can turn into high-fidelity music.

Integrates into almost any system

The FiX 86 gets its input signals from your vehicle's speaker wiring — no outboard level-matching devices are necessary. The FiX 86 automatically re-synchronizes any signals that have been time-delayed, returning precision to the sound. It takes your factory radio's 2-way, 3-way, or 4-way outputs, matches their levels, and combines them into six full-range stereo signals. Then 1/3-octave equalizers automatically flatten the frequency response, leaving the system ready for your custom processing and amplification.

Digital features and calibration

It doesn't come much easier than this: pop the calibration CD or loaded thumb drive into your receiver, hit play, push in and hold the FiX 86 calibration button, and all the processing is done in about 30 seconds. The 24-bit 48 KHz digital processor ensures clean, low-noise signal handling and output.

Add customized tuning via PC

You can plug your laptop running JL Audio's TüN™ software into your FiX 86 to visualize and correct the system's frequency response. The graphic displays the response curve before and after the FiX 86's corrections.  The 10-band graphic equalizers on the front and rear channels let you fine-tune the sound to fit your car's acoustics and your musical tastes. The TüN software helps when you're setting up your FiX 86, giving you direct control over its factory calibration processing and allowing you to correct the polarity of any of the inputs.

Optional remote for volume control

You'll set up your FiX 86 with the factory radio's volume control at 3/4 full. Once the system is calibrated, you can use the optional DRC-200 Digital Remote Controller (sold separately) to control your system's level while maintaining the processor's EQ restoration. You can still use your radio's volume control without a DRC-200, but the factory volume-dependent equalization will affect the tone at different settings.

In addition to volume control, the DRC-200 features a Handsfree Optimization Mode that disables the FiX 86's time-correction and adds a high-pass filter to the audio to clarify the sound when making hands-free phone calls. A multi-colored LED on the remote reports the operational status of the FiX 86, so you'll know what's going on from the driver's seat.

Important Note: Some factory radios and amplifiers will not work without sensing that its speakers are connected to their outputs. If you don't have output from your factory system after installing this FiX processor, you'll need a FiX-LSA-4 load-sensing adaptor (sold separately) to correct the issue.

JL Audio FiX 86

JL Audio's TüN software lets you adjust 10 bands of equalization for each channel and see the results.

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Product highlights:

  • system integration digital sound processor with automatic time alignment, channel summing, and equalization
  • removes factory sound processing for aftermarket speakers and amps
  • 8 speaker-level inputs (ch 1-2: full-range; ch 7-8: subwoofer)
  • 6 preamp outputs (3 pairs RCA) for connection to external processors and amplifiers
  • 24 bit/48 KHz digital audio resolution
  • calibration CD included
  • digital signal processing via Windows PC and JL Audio's TüN software
    • displays frequency response before and after processing
    • 10-band graphic EQ on front and rear channels
    • control FiX calibration process
    • reverse polarity of any input
    • high-pass filters on front and rear outputs
Other Features:
  • signal-sensing and DC offset sensing turn-on eliminate need for remote lead
  • optional dash-mountable remote (#13698126) controls Master Volume, Handsfree Optimization, and displays system Status LED
  • optional LSA-4 adapter (#13698124) may be necessary in order to defeat a factory radio's load-sensing mute function
  • dimensions: 4-3/8"W x 1-15/16"H x 6-3/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # 98103

What's in the box:

  • Processor
  • Four 4-pin Euroblock (Phoenix) connectors
  • One 5-pin Euroblock connector
  • Owner's manual
  • Calibration disc

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JL Audio FiX™ 86 reviews

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No worries

Crutchfield customer from Wildomar, CA on 9/8/2019

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I am giving this five stars because of the no stress, fear in buying. For some reason the set up didn't work well but it was not a problem to return it. Installer got help from tech and I got two follow up calls to make sure all was ok. It was. I think a lot of times big companies get swamped and lose the customer in the process but if they are organized and on it... they keep a customer for life.

Pros: Option for my set up

Cons: Didn't work for my set up

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0 of 0 found this helpful

JL Audio FiX 86

Crutchfield customer from Jersey City, NJ on 5/8/2019

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It a great piece but the only problem I have, it that it doesn't turn on by sensing speaker voltage. I have to use a remote wire to turn it on.

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0 of 1 found this helpful

JL Audio FiX 86

Eric Marquez from Aurora, IL on 10/7/2018

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Best DSP on the market! Such a difference when its put on and the Tun software works wonders! Calibration is literally done in secs! This made the system come together!

Pros: Everything you need and want from a Dsp

Cons: None

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1 of 2 found this helpful

Great product, but not right for me

Hunter from Jacksonville, FL on 10/4/2018

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I purchased this product because the sound coming from my 2016 Honda Civic LX stock radio had harsh tinny highs that were fatiguing to listen to (1khz and higher) with the Morel Tempo 605 component speakers that I installed. Unfortunately even with this awesome unit the sound couldn't be fixed. I tried tuning it in the PC software for 2+ hours with no satisfying result. It helped a lot but didn't really fix the issue. This unit does an amazing job of restoring mids and allowing you to have extensive control over the volume in various ranges, especially lows. It also does a great job of summing to give amplifiers a clean signal. Despite returning this unit, I would still highly recommend it for head units that sound good but just need some level tweaking that the head unit cannot provide. But if your sound quality is low or distorted coming from the unit, I don't feel that this can fix it.

Pros: Great product and software

Cons: Doesn't remove harsh tinny highs

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0 of 2 found this helpful

Inferior Product

Guest from Ilm,NC on 9/25/2018

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Very bad product. Went out twice on me in two years. Had to remove it. Wasted $

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1 of 3 found this helpful

Awesome device to integrate new speakers and amps with OEM HU!

Louis from Riverside, CA on 8/15/2018

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This is an awesome device, and essential if you have a new car with a highly integrated HU that isn't replaceable, but still want to add speakers and amps. Installation was simple, calibration was a breeze, and you can see the magic done by this device if you hook a laptop up using the USB port on the device. Jl Audio's Tun software shows you the signals it receives, and the signals it puts out, and it is quite impressive. The flat signal that is now going to my amps is far superior to the unprocessed signal, but I am not quite satisfied yet, and plan on integrating the TWK 88 next for granular control of my car's stereo.

Pros: Simple installation Easy calibration TUN software to visualize the magic

Cons: The summing and flattening of the inputs leaves little processing power for any meaningful additional adjustments. But how much can you ask from a single device?

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0 of 0 found this helpful

JL Audio FiX 86

Maestro from Peoria, IL on 7/17/2018

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This product worked fantastic for my Honda Accord factory unit. I upgraded all the speakers and added a small Pioneer amp and the JL audio fix 86. Once I disconnected the ANC from the factory unit.. the sound was fantastic.

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6 of 6 found this helpful

JL Audio FiX 86

Willie Merritt from Fairless Hls, PA on 6/11/2018

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JL truly delivered on this product I have a 2018 Alfa Romeo stelvio it works perfect thanks again Crutchfield for helping me out

Pros: Work perfect

Cons: None

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0 of 1 found this helpful

JL Audio FiX 86

kevin from Trenton, MI on 6/4/2018

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It does what they advertise. Every time you calibrate you will get a different eq curve. Not a whole lot you can do with it after that. you can set crossover points, but not roll-off slopes. I could not get the signal sense or the dc offset setting to work, so I'm without warning chimes if the vehicle is off. The EQ shows promise, but you only get one setting, you can't have several presets and select between them. Definitely get the DRC knob, as the calibration eq seems to stop working if the input is too low. It'll gets me by for now, but I will upgrade to something else in the future.

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2 of 3 found this helpful

JL Audio FiX 86

Michael from Sewell, NJ on 5/1/2018

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Had the audio control lcq before this and let me tell you, night and day difference. Sound quality is so much better and cleaner coming from the jl fix. Also no more annoying hsss from my speakers thag the lcq put out. Another great jl product.

Pros: Great tuning capability. Solid clean sound

Cons:

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1 of 1 found this helpful

Fail on 2016 mustang with shaker audio

Adam from Kernersville, NC on 3/25/2018

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Worked but never could get left side of car balanced with right side. Right side always louder no matter what was done. Hours on phone with crutchfield.

Pros: Easy to connect. One button auto equalization button.

Cons: Without an external knob the jl didnt equalize and flatten signal unless radio almost full volume. Never could get left side to equalize out. Right side always louder. Lc7i does better job at fraction of cost but subs sounded better on the dsp.

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2 of 4 found this helpful

JL Audio FiX 86

John from Worcester, MA on 1/25/2018

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This is another solid product from JL Audio. It's installed in my Ford F-150 XL with the integrated sync radio and feeding a JL Audio Twk 88 DSP. Before the Fix I had all kinds of issues trying to get a multitude of different subwoofers, both sealed and ported to sound right. I had a PAC LOC interfacing between the factory radio and TwK before. The fix 86 has solved my phase and low frequency woes finally and given me a flat clean signal for my TwK to use. It was also a snap to set up and easy to calibrate. For the best results you will want to use the seperate and not included volume know for this radio anyway as the Fix does not compensate for changing FR when adjusting the factory radio. Also why no usb cable for the tun software included. I had to use the one from my TwK to use the tune 2.0 software, JL cheapened out there. I verified my findings with REW and a Mini usb microphone.

Pros: It's simple to set up and actually works very well flattening the frequency response. It's has basic 10 band graphic EQ for each channel. It makes the sub sound much better.

Cons: It doesn't compensate for FR while adjusting the factory radio volume so you will need the seperate volume knob. It doesn't come with the usb cable to hook up to your laptop and so you can't use tune 2.0 without this. It's made in China. No digital output like the Fix 82.

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1 of 2 found this helpful

JL Audio FiX 86

Shawn from Virginia Beach, VA on 12/30/2017

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Great source for signal clarity

Pros: Great tune ability

Cons:

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0 of 2 found this helpful

JL Audio FiX 86

Crutchfield customer from Charleston Afb, SC on 12/16/2017

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It does the job but has a known problem with static coming through with the volume muted. The tun program is great though.

Pros: Small, easy to instal,l and program.

Cons: Static noise

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0 of 0 found this helpful

Amazing difference, fixed major issues in factory deck.

Wes from Escondido, CA on 11/28/2017

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The new Honda 2017-2018 Ridgeline has excessive modification to the audio response curves on the stock deck (I have the RTL-T) in an attempt to make the stock speakers sound ok. Once I replaced them, the sound was not right, very fatugueing, harsh in some frequency's, and not pleasant, even after disabling ANC. No adjustment of the stereo controls made it better. The Fix 86 corrected this and made the sound so clean and enjoyable, it fixed dropp offs and expanded bass response where it fell off even with an aftermarket sub and amp. It's really a day and night difference! I can still fade, adjust Sub, and full volume control from the deck or steering wheel. The hardest part of installing this is just connecting the speaker outputs of the stock radio, its setup could not be easier. No noise at all, sounds just like a high quality deck with low level RCA outputs, but from the stock stereo. I highly recommend this to anyone with an integrated deck that was factory tweaked to make $5 speakers sound better, what were they thinking?

Pros: Easy setup, effective at fixing major sound issues, customizable 10 band EQ per channel by computer.

Cons: No manual tunning controls, other then EQ, JL sells another DSP if you need those functions. This just fixes all the problems the factory deck caused.

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6 of 7 found this helpful

Doesn't work with Toyota Tacoma factory JBL

HR from Seattle, WA on 8/12/2017

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Bought this for a 2016 Toyota Tacoma with the factory JBL system. The short story is, unless I turn the volume up at least half way, the FiX86 won't send a signal to my amp and I don't get any sound. When it does, it's LOUD and sounds pretty good. Ultimately according to the LED's on the FiX86 I can't get it to see a signal and turn on at reasonable volumes. When it works it's awesome but for 95% of my listening it keeps cutting out. My theory is the FiX86 doesn't present enough of a load for the factory amp to send power. I tried the FIX-SLA-4 and it didn't make a noticeable difference. I tried the support number at JL Audio and all I got was shrugs.

Pros: The addition of the TuN software is awesome. A 8 input auto-tuning DSP plus a 10 band EQ.

Cons: Doesn't work for my setup. Also noticed that every time I have it re calibrate I get slightly different EQ curves. I let too much time pass between purchase and install so I can't return.

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9 of 14 found this helpful

Great for keeping factory radio

Bryce from USA on 7/15/2017

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Got this to interface with my factory radio and correct the bass roll off. Works perfectly.

Pros: Easy to install. Has remote turn on for amps. Outputs flat eq. Small form factor.

Cons: Wish it came with the remote.

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1 of 1 found this helpful

Great for 2015 RAM Express

Matt from Rochester Hills, MI on 6/19/2017

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Don't even bother upgrading speakers and amps before adding one of these... This thing is great. Super easy to install. I used this in a 2015 RAM 1500 Express, with the base 6-speaker system. Since I didn't have a CD player, I ripped the calibration tracks onto a usb drive in order to play. Calibration took 15 seconds with a one click button. The results are night and day. So much more impact and clarity. Used rear speakers for inputs 1/2 and 5/6 for fronts. The FIX automatically blends all signals together for full-range sound. Originally I added new speakers and an amp to my stock unit. Sound was OK. Over time I started to notice muddy sounds and fizz noises. Once I added this processor, the sound is incredible. Really makes aftermarket speakers come to life. This processor sends signal to my amps for clean amplification. and an FYI I did not need the load sensing adapter for the muting behavior. (sold separately) You have to be careful with the RAM trucks. The front door and dash speakers are wired in parallel. Doors are 4 Ohm and dash are 8 ohm. If you upgrade the dash speakers to 4 OHM (most aftermarket 3.5's), the loads will not be balanced. For my front dash speakers, I added bass blockers to reduce the impedance value, it doesn't equate to a perfect 4 ohms, but its enough so that it doesn't effect my stock head unit or amplifier. The processor also improves the front stage sound and clarity. The highs are balanced with the rest of the mid and low

Pros: Easy to install. Fast setup/calibration...one click and you're done. Shows clipping/distortion indicator if you turn the radio up. With the FIX my system puts out 'louder music' ..even when my amp gains and EQ are all the way to zero

Cons: The terminals are small but manageable to work with. Difficult to find matching AMP Wiring kit with a 1A fuse and 12G wiring. (I used 10G Rockford with a 25A fuse)

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12 of 13 found this helpful

JL Audio FiX 86

joshua a from Conway, AR on 4/9/2017

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Amazing what this piece of equipment can do. If you are keeping your factory head unit this is the way to go.

Pros: Amazing sound that this little box generates. I didn't think the sound could get any better and then I hooked my laptop to it and used the tuning software....Unbelievable... no way you could buy an aftermarket head unit that could do this!

Cons: None

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6 of 6 found this helpful

Overpriced for what it is.

Victor from MD on 3/4/2017

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I can see the point of this if you want no customization or are happy with a generic boost in sound, but for the price I wasn't impressed. You plug it in and run the config and that's it, whatever the result is what you get. Another issue is that you really do need the DRC controller in order to utilize the benefits of this unit. The unit requires you set your volume to a specific volume, leave it there, tune it and then use the DRC controller to control the radios volume. This pretty much renders your radio volume knob and your steering whee controls obsolete. I had some factory processing noise coming from the head unit caused by the active noise cancellation and I thought this unit would correct that, but it did not. I ended up returning this and am looking to purchase and actual DSP

Pros: Plug and play for generic sound quality increase

Cons: No customization Requires controller for volume adjustment Overpriced

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11 of 19 found this helpful

Decent, but not perfect.

Brian from Austin, TX on 12/22/2016

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Does a decent job, except for two issues. First, problems in the lowest frequencies. I ran my subwoofer through the processor and lost a considerable amount of smoothness in the 20-500 Hz range.. Second, there are several songs that you can hear the processor having trouble figuring out what volume to set various frequencies, so you end up hearing an occasional overtone or jump in sound on certain frequencies. All in all, not a bad product, and Far Superior to the LCx Series analog processors.

Pros: Great value crisp tones across the spectrum

Cons: Difficult install substandard frequencies in the sub-woofer range sound clipping every so often

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5 of 5 found this helpful

Great customer service

Michael from Southern California on 12/13/2016

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The original never turned on. Crutchfield's customer service was outstanding. I called them and instantly knew the man behind the phone could help. 5 stars for that. Product does help. It flattened all the audio. Sounds better, but does need either the twk or some other form of EQ. All in all it helps retain the stock stereo. I'm satisfied with the purchase. Thank you very much Crutchfield.

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3 of 3 found this helpful

Wonderful sound, and easy to install.

Ronnie from Flowood, MS on 12/5/2016

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This is a must have for any factory head unit when adding amplifiers. You don't realize how bad your factory head unit sound is until after you have this installed. My car audio shop said this was so easy to install and tune, and the sound was so good, they are now looking at bringing this into their inventory.

Pros: Wonderful sound Easy to install Not to expensive

Cons: DRC-200 not included

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4 of 4 found this helpful

JL Audio FiX 86

Crutchfield customer from Rockledge FL on 10/24/2016

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Works as advertised. Simple to install.

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1 of 1 found this helpful

JL Audio FiX 86

undertow from Davis, CA on 10/18/2016

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my car radio doesnt play cd's how am I going to use this thing?

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9 of 35 found this helpful

JL Audio FiX 86

eric from LA on 9/12/2016

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The fix is a must if you want to integrate the ford/sony factory system, it was an easy installation and tune. Love it!

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7 of 8 found this helpful

Totally changed the sound!

Mike from Reno, NV on 9/4/2016

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Awesome product! Installed on in my Ford Raptor and was just what I needed to run my 6 channel amp! Totally changed the sound..very happy.

Pros: Easy to install

Cons:

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4 of 4 found this helpful

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<< >>

More details on the JL Audio FiX™ 86

Russ B.

Product Research

Features

Overview: The JL Audio Fix86 is a digital signal processor designed to give world-class sound from a factory audio system without replacing the OEM radio. Its 24-bit DSP processor can combine 2-, 3-, and 4-way factory outputs, while automatically level matching into a flat, full-range stereo signal to be passed on to an aftermarket amplifier. The Fix86 will automatically correct factory time delayed outputs before summing the signals and equalizing them with dual, 30 band, 1/3 octave equalizers. Its differential-balanced inputs accept virtually any OEM analog audio signal, from low-voltage line-level to high-power, speaker-level outputs (up to 30V RMS). The Fix86 offers three sets of Left/Right RCA outputs; Front, Rear, and non-fading Subwoofer.

Calibration: Basic calibration of the Fix86 is done using the Calibration button on the top panel of the processor. If the button is pressed for 5 seconds, the unit will start the calibration process which takes approximately 30 seconds. The button also serves as an EQ Bypass if pressed for 1 second. By connecting the processor to a PC (via USB) and running the included TuN 2.0 software, you can also access a complete suite of diagnostic panels that will show the frequency response of the input signals, as well as the corrected outputs. This also allows you to adjust the input polarity, muting, and filtering as well as initiating a new calibration. The output can be user-adjusted with a pair of 10-band graphic equalizers.

Note: Some factory audio amplifiers employ a load detection circuit that looks for a low-impedance load (a speaker load) in order to enable audio output. When a high-impedance load like the input section of the Fix86 is connected to these factory amplifiers, the audio output can be muted. After installing the Fix86 and turning on the audio system, if there is no output from the factory amplifier, a FiXLSA-4 Load-Sensing Adaptor (sold separately) will need to be inserted inline with the Fix86's inputs. The FiXLSA-4 presents a safe and appropriate load to the factory amplifier and corrects the muting behavior.

Turn-On Mode: The Fix86 offers three ways of activation via the top panel Turn-On Mode switch: Signal, DC Offset, and Remote.

  • Remote: When the Switched +12 VDC terminal gets 12 volts, the processor powers on.
  • DC Offset: Automatically turns on/off by detecting a small DC signal on the OEM speaker outputs.
  • Signal: Automatically turns on/off by detecting full-range audio signals on the OEM speaker outputs.

Connections: 

  • Input: Factory audio signals are run into the Fix86 through four 4-pin Euroblock connectors for a total of 8 available input channels. Each terminal can accept up to 16 AWG wire. Along with the audio inputs, the processor includes a USB (Type-B, 2.0) port to connect to a PC for running the TuN software as well as doing firmware updates.
  • Outputs: The processor has 3 pairs of unbalanced RCA output connections, 2 Front and 2 Rear (allowing retention of the OEM fader control) as well as 2 non-fading Subwoofer jacks. Each channel outputs a 4 V RMS signal.
  • Power/Ground Connector: A 5-pin Euroblock connector provides the inputs for +12 VDC Battery, +12 VDC Switched (remote input if Turn-on Mode switch is set to Remote), Ground, Remote Out (provides a +12 V remote signal to trigger aftermarket amplifiers), and a Valet In. This is provided to attenuate the overall output level by 15 dB if the Fix86 sees a ground on this terminal. This keeps other people from possibly damaging the speakers by turning the volume up too high while the vehicle is being serviced or valet parked.
  • JLID Port: The Fix86 has an RJ-45 port for use with JL Audio's optional DRC-100 or DRC-200 Remote Controllers (sold separately).

DRC-100/200 Remote Controllers: These are under-dash mounted rotary controls that can be used for quick function adjustment from the driver's seat with options as follows:

  • DRC-100: Can add either Master Volume Control or Handsfree Optimization, both with LED Status Reporting.
  • DRC-200: Can add either Master Volume Control, Handsfree Optimization, or Subwoofer Level Control, all with LED Status Reporting.
    • Master Volume Control: When used as a Master Volume Control, the OEM headunit's volume gets left at the same level it was at during calibration, and the DRC-100 becomes the main volume control. This maintains a linear frequency response and best signal-to-noise ratio at all volume levels.
    • Handsfree Optimization: In this mode, the DRC-100 is used to optimize the clarity of the factory Bluetooth hands-free system. By pressing the rotary knob, this disables the processor's time correction and applies a 100 Hz high-pass filter to the output, making Bluetooth phone calls clearer to understand.
    • Subwoofer Level Control (DRC-200 only): When used as a Subwoofer Level Control, the rotary dial works as an attenuator for the Subwoofer output channels. Rotated fully clockwise allows the signal level to be the same as if the controller wasn't being used. Counter-clockwise rotation attenuates the Subwoofer output signal.
    • Status LED: The DRC-100's multi-colored LED will show the Fix82's overall status:
      • Constant green: Normal operation
      • Slow flashing green: Valet mode is active.
      • Constant amber: Handsfree mode is activated.
      • Flashing or constant red: Input signal is clipping (lower volume control on OEM headunit).

Status LEDs: Four LEDs on the Fix82's top panel display both the Input Status and the Calibration Status with two LEDs for each (Left/Right channels).

  • Input Status:
    • Green: Signal present.
    • Amber: Power on, no signal.
    • Momentary Red: Input signal is clipping.
  • Calibration Status:
    • Flashing Amber: No calibration.
    • Amber: Ready for calibration signal.
    • Flashing Green: Calibration in progress.
    • Green: Calibration successful.
    • Flashing Red: Calibration failure.
    • Alternating Green/Amber: EQ has been bypassed.

Specifications:

  • Power Supply Type: Regulated DC-DC SMPS
  • Input Operating Voltage: 10 - 16 VDC
  • Standby Current Draw: < 1.5 mA
  • Operating Current Draw: 0.7 A
  • Recommended Fuse Value: 1 A
  • Input Channels: 8
  • Input Type: Differential-Balanced
  • Input Voltage Range: 250 mV - 30 V RMS
  • Minimum Input Voltage: 10 mV RMS
  • Input Level Setting: Fully automatic
  • Output Channels: 6 (Front/Rear/Sub output pairs)
  • Analog Output: Unbalanced, stereo RCA jacks
  • Digital Output: Optical (Toslink) output (S/PDIF)
  • Output Impedance: 450 Ω
  • S/N Ratio: 96 dB (A-weighted, referred to 4V RMS output)
  • THD+N @ Rated Output: 0.02% (20 - 20 kHz)
  • Processing Audio Resolution: 24 bit/ 48 kHz
  • EQ Bands for Processing: 30 x 2 channels
  • EQ Resolution: 1/3 octave (25 Hz - 20 kHz)
  • Remote Level Control: Optional DRC-100 or DRC-200
  • Remote Level Functions: Master Volume, Handsfree Optimization, Subwoofer Level (DRC-200), and LED status reporting
  • Dimensions: Width - 4.35", Height - 1.88", Depth - 6.15"

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Customer Q&A

Q
Crutchfield asked: Why did you buy this?
A
I chose this item to correct the stock head unit EQ curve on my 2015 Camaro. This unit provides a flat, clean signal to run my Focal speakers and JL Audio amps. [ Luke  Aug 21, 2019 ]
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I didn't know about this , I was sure their that Tom (customer service) would just suggest the pac audio but I had mentioned a sound processor and he sent me this in an email ... I researched and It is just what I need [ Jeff  Feb 19, 2019 ]
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I didn't choose it, IT CHOSE ME!!! [ logandiana  Oct 12, 2018 ]
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Because the one I placed with you guys prior is faulty [ John  Oct 05, 2018 ]
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2006 Honda Ridgeline Factory Integration for new amps [ Thomas  Sep 10, 2018 ]
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Install aftermarket amps and speakers while keeping OEM HU [ Louis  Aug 02, 2018 ]
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Supposed to be the best DSP on the market. Needed it with the Ford F150 Premium sound system. [ Michael  Jul 04, 2018 ]
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I'm hoping the FiX 86 will simplify installing amplifiers with a factory head unit in my 2018 Silverado. I also look forward to the expandability with the TwK 88. [ ANTHONY  May 14, 2018 ]
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Highly rated by people I trust when it comes to audio. I also trust the Crutchfield Team for quality Customer service and technical assistance. [ William  Mar 13, 2018 ]
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I saw very few complaints when looking for OEM integration processors. I had several emails/calls to JL Audio (bought a stealthbox, too). Their support was nothing short of phenomenal. I would buy it on that alone, almost. JL and Crutchfield; you can't go wrong! [ kevin  Jan 09, 2018 ]
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I purchased the factory radio "upgrade". This means the factory uses software tricks and volume level equalization that makes it harder to get a flat and full signal. Buying this will make that problem history. [ Robert  Jan 05, 2018 ]
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I'm using my stock head unit. From the reviews, this is the most user friendly integration tool. It will make my installation much easier. [ CodyY  Jul 25, 2017 ]
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my local installer recommended the item. [ Tony  Jun 06, 2017 ]
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Car audio used to be simple, the Fix makes things simple again [ daryl  Apr 03, 2017 ]
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I have a Honda and the entire system sucks....but i want the car to maintain a stock look [ gabor  Jan 21, 2017 ]
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Better sound from a stock system that needed to stay for full control of car options [ Steven  Dec 04, 2016 ]
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Been waiting a while for this product to become available and Crutchfield was the first to market with it. [ MIKE  Aug 10, 2016 ]
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The best in audio...... [ W  Aug 06, 2016 ]
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18 questions already asked

Q
does the fix 86 remove engine noise being picked up by my new system?
[ Renick  Apr 09, 2019 ]
3 answers
A
It will Defiantly help with that issue but i would check your grounds too
[ ELI  Apr 09, 2019 ]
A
No. It will not.
[ Hunter  Apr 09, 2019 ]
A
Renick, it depends on what the cause of the noise is. If it is a constant hiss, the Fix 86 could help due to the processing capabilities that are not present in a factory stereo. If your "new system" is aftermarket, then you likely do not need this unit. It is primarily for vehicles that have added amps and speakers, but have a factory head unit that cannot give you the equalization/processing that most aftermarket head units do. I'd say 95 percent of the time or more, "engine noise" is caused by a bad ground somewhere (particularly if the noise increases with acceleration). All that said, this unit is fantastic for those that want to add amps, better speakers, and overall better sound to a vehicle without changing out the head unit.
[ Travis  Apr 09, 2019 ]
Q
Do I need the fix 86 or does my twk 88 already give me the flat output signal that I need?
[ Shawn  Aug 26, 2018 ]
1 answer
A
The fix creates the flat output signal, and the twk tailors the sound to your liking. Start with the fix, it does have a built in eq and if you need more adjustments add the fix.
[ Derek  Aug 30, 2018 ]
Q
Have a 2018 Jeep Grand Cherokee with UConnect... I have read the fix 86 may have load sense issues. Any problems with This on the Jeep and will I need the extra part? Also I read the fix86 requires the added knob which takes over volume control... will the UConnect volume stop functioning with this?.
[ Michael  Feb 18, 2018 ]
3 answers
A
i had one in my 2016 jk. don't know what the problem was, but I went through 2 of them before deciding to replace the head unit. would not recommend. crutchfield was great to work with, replaced one then refunded for the second. don't know which grand cherokee you got, but if you have the option change the head unit. you will get a much better sound even if the fix86 works. my wife just got a 2018 grand cherokee limited 2 days ago and on that changing the head unit really isn't an option, to much going on with it. hope this helps
[ richard  Feb 18, 2018 ]
A
f150 here. I use the fix86 with my stock unit which is somewhat similar to your setup. I did not need any knob. The stock unit works the same, just sounds a lot better because the fix86 gave me a clean pre amp signal to use for my new amps etc. all stock volume controls work the same. No volume issues. On another note, i wish that we could just purchase new head units like the old days. Maybe some day they will figure out the software to make that happen. Hope this helped.
[ todd  Feb 18, 2018 ]
A
Unconnect functions fine with the fix86. When you set it up, you turn the volume up 75% and it does its optimization for that level. If you use the volume on your radio, the only place it will be optimized is at 75%. That is where the additional volume control comes into play. You leave the head unit at 75 and adjust the sound volume with the additional control. It takes some getting used to, reaching for the new knob instead of the volume on the wheel or the head unit but the quality of the music is well worth the learning curve.
[ Marcus  Feb 18, 2018 ]
Q
Can you use this with 2 amps? I.E. 4 ch. amp for the door speakers amp and another mono amp for the sub. Thanks.
[ T-Loc  Dec 29, 2017 ]
1 answer
A
Absolutely...I have a 6 channel system for my highs...I am using the front out going to a 4 channel amp that is pushing my dash speakers and my front door speakers. I did this so I can adjust the gain/crossover separately for my front channels. I am using the rear out to another 2 channel amp which is pushing the highs in My rear door speakers. Last I'm using the sub out going to a mono block amp pushing my subs. With the software I have an unbelievable amount of tuning options.
[ Joshua  Dec 29, 2017 ]
Q
Quick question, maybe this is obvious, but i'm still a little unsure. If I only have FR, FL, RR, and RL speaker signal outputs from my TAU, but I want to add a sub, what speaker output/ signal would I use for the sub input on this unit?
[ SJM91  Dec 10, 2017 ]
2 answers
A
The FiX 86 will take the 4-channel input in your factory system and automatically sums the signal internally to provide a filtered subwoofer output. For more details or to discuss further, please contact an Advisor directly by phone (888.955.6000) or online chat. Thanks!
[ Larry  Dec 18, 2017 ]  Staff
A
As long as some or all of the front or rear inputs contain a full range signal, you will be fine. This is many times vehicle and/ or oem sound system specific. For example, on my F150 w/ Sony audio, only my rear speakers received full range. And while I did have a separate sub signal, it was so distorted it was unusable. If available, use the forums for your vehicle to get the specifics.
[ JAMES D  Dec 17, 2017 ]
Q
will I be able to keep all factory functions such as Uconnect on my Jeep JKU?
[ Larry  Dec 07, 2017 ]
3 answers
A
Yessir. I cannot speak specifically for Uconnect, but in my Tahoe, it did not effect Chevy MyLink or any factory features. All it does is process the signal coming from your factory head unit and the amps.
[ Travis  Dec 07, 2017 ]
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I was able to keep all functionality of my factory headunit with the Fix 86.
[ STEVEN J  Dec 07, 2017 ]
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Yes but I'm not impressed with it. I replaced everything in my renegade with top end replacements and the quality of sound, sounds better in my parents upgraded Cherokee. I have alpine everything but the JL H/O sub. I put a 5 channel amp but don't recommend it.
[ David  Dec 07, 2017 ]
Q
Should you obtain the factory signal before or after the factory amplifier?
[ Mark  Nov 16, 2017 ]
2 answers
A
if you can get your four channels before your factory amp this is not needed.Its made for cars like Mercedes-Benz where your low level signals or fiber optic or cmos and cannot be taped until after factory amp/signal processor.The fix86 allows your front/rear fade. The fix82 2 channel only. You know have a flat input to work with. You can add twk 88 which you gives you eq. abilities and more. If you want center channel then look at Helix units
[ KEITH  Nov 16, 2017 ]
A
The fix 86 it goes after the factory amp.
[ KEITH  Nov 16, 2017 ]
Q
Once installed and calibrated, can the unit be hidden with no easy access and any needed tweaking handled by the software via USB? Will the end user need to access the unit?
[ Greg  Jul 13, 2017 ]
5 answers
A
Yes, they will need to access the unit or you can run a USB from the unit to a place more accessible. I ran a USB from the unit under my dash so I can get access to tuning when needed
[ Blackout  Jul 14, 2017 ]
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Please ignore the reference to "presets" in my previous answer - I was assuming you were also using the TWK for tuning after the FIX...
[ JAMES D  Jul 14, 2017 ]
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No access, other than USB, is needed post-install. The TUN software via USB is all that's needed to tailor your presets.
[ JAMES D  Jul 14, 2017 ]
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If it is properly installed/tuned you will have zero need to access the device. I haven't had any reason to adjust mine in over a year. Very happy with it.
[ Jordan  Jul 14, 2017 ]
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Once installed, calibrated, and adjusted, you can place in a no access area. But personally I would want access if I felt it needed adjustments. It has a long usb cable, that's really all you need access to.
[ ERIC  Jul 14, 2017 ]
Q
On my car ... Pre amp lines coming from the factory stereo and into the factory amp - the stereo feeds only 2 sets/channels of wires to the factory amplifier that are the following - FL+- wires FR+- wires Can I feed the above pre amp lines (FL & FR) into the Fix86 *and then* the Fix86 create the rest of the missing channels? If not, which product will allow me to create more channels from the only two lines I have available (FL and FR)? Post factory amplifier all the channels are present, the factory amplifier creates the rest of them from FL and FR, but I fear tapping into post amplifier channels will create noise and sound issues.
[ Andrew  Jun 12, 2017 ]
2 answers
A
The 86 takes speaker-level inputs and then converts them to preamp outs. Since you already have preamp outs, you don't need it; you're already past that step. The TWK 88 (a processor) will take those preamp channels and do most anything you want with them. You can adjust crossovers, levels, even EQ. It's all configurable from a Windows laptop via USB. I'd take a look at that box. I love mine.
[ Andrew  Jun 13, 2017 ]
A
What kind of vehicle I'm really not sure I used to fix in the other product By JL to get my system to work I got a 16 F3 50 Ford it wasn't easy but everything's tweet nowEnter an answer to this question.
[ BRIAN  Jun 13, 2017 ]
Q
HU sounds different from radio to aux to Bluetooth, with a big tone difference. will the fix correct the tone differences across input selections?
[ curtis  Mar 10, 2017 ]
1 answer
A
This will not be able to fix that issue. It does not have a way of knowing which input you have selected to know how much offest is needed. The only way I know of fixing that would be a receiver that has a volume offset for each of those sources. I recommend contacting an advisor on 1-800-324-9695 for a personal recommendation on a receiver if you decide to go this route. My Bio: https://www.crutchfield.com/Support/Bio.aspx?bio=101
[ Paul  Mar 17, 2017 ]  Staff
Q
will i lose HU volume controls?
[ curtis  Mar 10, 2017 ]
4 answers
A
No you will not loose volume control from the head unit .
[ Michael  Mar 10, 2017 ]
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I Didnt in my 2016 silverado w/bose system
[ SEAN  Mar 10, 2017 ]
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No. You will control the volume thru the factory HU.
[ JASON  Mar 10, 2017 ]
A
No, you can still control the volume with the head unit but I do find that controlling it through the Fix 86 provides a more consistent sound quality. In my opinion.
[ MIKE  Mar 10, 2017 ]
Q
does this help if using aftermarket speakers with stock headunit? (no aftermarket amp)
[ Darren  Feb 26, 2017 ]
2 answers
A
No, it will not help. This will turn the high level signal into low level at the output, needing an amp to get to high level again.
[ Edwin  Jul 24, 2018 ]
A
Depends on if you think a flat signal is helping. It takes all the equalization from the stock head unit, flattens it out, and outputs that flat signal. Basically giving you a clean slate to work with. After using mine for a week or so, I think I will be needing the TwK 88 to get the sound I want. The FiX 86 gave me a consistent signal to work with from the stock head unit and now I need the TwK 88 to tweak the sound to my preference, which I couldn't reliably do without the Fix. Give the Rockford Fosgate 3sixty.3 a good look. I believe it does the same function as the Fix and TwK together for a good bit less.
[ Marcus  Feb 28, 2017 ]
Q
Does the FiX 86 have a microphone? Does it listen to the tones played on the calibration CD?
[ Rick  Feb 15, 2017 ]
2 answers
A
No microphone, it just corrects the signal electrically with some test tones.
[ Edwin  Jul 24, 2018 ]
A
There is no external mic included with the FiX 86--all the calibration is done internally via the included CD or a loaded thumb drive connected to your receiver. If you would like to discuss further, feel free to contact an Advisor directly by phone (1-800-324-9695) or online chat.
[ Larry  Feb 27, 2017 ]  Staff
Q
Can one of the subwoofer outs be switched for use by the center channel in my truck?
[ Eric  Jan 29, 2017 ]
2 answers
A
This will just attempt to flatten the signal and the included EQ is barely enough to get you system as you need. For completing tuning your system a DSP like the Twk or any other brand is needed.
[ Edwin  Jul 24, 2018 ]
A
The JL Audio Fix 86 processor does not offer any 5.1 decoding or mono outputs for providing signal to a center channel speaker. While I know this isn't the answer you were looking for, I hope the information helps.
[ Ryan  Feb 09, 2017 ]  Staff
Q
How do you do calibrate this device if your system does not have a cd Player?
[ Keith  Oct 29, 2016 ]
3 answers
A
Sorry. Misunderstood your question. Calibration tone(s) can be introduced from USB, SDcard or Bluetooth as well.
[ JAMES D  Oct 29, 2016 ]
A
Calibration is done automatically by pushing in button as you play first track of fix 86 cd they provide. It only takes 30 seconds to preform. Very easy to install and the rest is done by the 86. I'm sure you can transfer cd to thumb drive on your computer if you don't have CD player. Then play from thumb drive. Call jl audio tech support to confirm. I've called a few times in past with questions and they have always helped.
[ JEFF H  Oct 29, 2016 ]
A
Source (CD, radio, MP3...) is not a factor. The Fix-86 is used to 'sum' factory radio/ amp signals that have been equalized, sometimes variably (different EQ at different volumes). Calibration objective is strip out factory 'processing' resulting in a clean audio signal, usually for input to an aftermarket amplifier. You will need some car audio expertise to tackle this!
[ JAMES D  Oct 29, 2016 ]
Q
Will this get rid of any "pop" sounds related to turning on and off amplifiers added to factory head units?
[ A1dookie  Jul 31, 2016 ]
2 answers
A
I installed this in a 2015 GMC canyon... there is absolutely no pops or engine noise.
[ Joshua  Dec 29, 2017 ]
A
JL Audio's FiX 86 digital signal processor is designed to provide a completely flat and focused audio signal from the factory installed radio to your aftermarket amplifier(s). So while it's hard to say for certain, I would imagine any sort of "popping" noises would be relieved by installing the FiX 86 in your system. I hope that helps. My Bio: http://www.crutchfield.com/Support/Bio.aspx?bio=159
[ Larry  Aug 05, 2016 ]  Staff
Q
Does this defeat the head unit tone and fade controls?
[ Jeff  Jul 26, 2016 ]
2 answers
A
No it does not defeat these.
[ Joshua  Dec 29, 2017 ]
A
All fade controls still work, factory tone controls still work
[ Cameron  Jul 29, 2016 ]
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