Definitely fixes stock sound profile issues

I bought this to replace the audio control LC7i, due to a strange eq profile from my stock head unit. The Keylock is awesome. It solved the eq issue and my stereo sounds awesome!!!!

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Brad Watson

Kicker keyloc is awesome!! Easy for us that's not looked at radio system in 20+ years and it made a huge different in my subwoofer ??

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Kicker 47KEYLOC Smart Line-Out Converter

Great idea. BUT it has a couple fatal flaws. This is designed as a smart DSP active LOC for modern car stereos (display, integrated controls, maybe factory amp) right? So modern cars. I have a 2022 Hyundai Kona and it has constant DC offset (about 6VDC). Constant! Guess what that means for the Kicker 47KEYLOC? It never shuts off. That means the remote in useless because it won't shutfoff. So, I worked around that by switching the ground in with a switched 12V from my fuse box. So in other words, it has to be hard shutoff. Still, at this point, I was planning on still using the KEYLOC47 remote out to turn my sub amp. Nope, this brings us to the second issue. With the 12VDC running to it and (like I said, switching the ground on/off to power it), guess what? The KEYLOC47 passively puts 12VDC on the remote out, even with the ground physically disconnected!!!! It may or may not relate to circuitry that seems my constant DC offset. So in other words, this thing missed the design mark for what it is targeted for. Modern factory stereo upgrades. Nope.

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A must buy

If you are reading this..BUY THIS PRODUCT! Seriously, it's great and where the future of car audio is going, eventually I can see this being incorporated into amplifiers for more ease of installation (2-5 yrs from now is my guess). If you have to use your factory radio (most cars don't allow changing) then this will give you very clean sound and make your subwoofer pound!! I was running one JL Audio 12W3 from a high level signal into my mono amp and then changed it to this Kicker unit going low level, not joking.I gained about 50% more bass that is so loud, so clean, that it's hard to believe. I have a bass knob so I can adjust the bass where needed as it can get very loud! I was apprehensive about the installation process but it's not too bad and just followed the set up directions exactly how Kicker outlines. Once set, you don't adjust it again. This is the future for car audio

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OMG take my

I didn't know what to expect. For context, this is being connected to an OEM system in my BMW, using high level subwoofer output. The stock system pumps out 125w RMS per channel. Tried a few systems including a JL VXI Amp but my voltage was too high. I tried a cheap HI to LO converter with my JL amp, but the quality of the base for my woofer wasn't good. I wanted a DSP that could handle up to 400w RMS. Crutchfield support pointed me to this unit and after installing and calibrating I am simply blown AWAY. If you're dealing with any type of OEM system and pumping in god knows what for a source, this'll clean it up and pass on a strong flat signal to your AMP. Stop reading, just buy it!

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Didn't quite work as I hoped.

I have always been a bit skeptical of auto calibrating set ups, but trusted kicker and the reviews here. The set up was thorough and completed properly. Unfortunately, this unit just didn't bring the low end back into the system like I had hoped. Switch it out for an LCQ-1

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Amazing Product!!

If you are adding an amp and subwoofer to a factory stereo system you NEED this LOC. It restored all of the low frequency my factory head unit was cutting off. Easy to install and setup. Kicker knocked it out of the park!

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Buy this to restore missing loe bass

This made a night and day difference in my new Honda Accord. The missing low bass tones have been restored thanks to this. It works so well My amp gains had to be turned way down.

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Kicker key loc converter

Ultimate converter to get the sound you want out of a factory stereo

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Best LOC on the market without all the confusing settings

This has been an significant upgrade to my previous LOC! 0 distortion and great sound with gain levels on both the input and outputs gives great control of sound. And the input indicator is great to know what signals are being used to take any guessing out of the equation. I've tried other top Line Out Converters on the market and I must say this is the best by far. Clean signal from my factory speaker inputs to my after market P1000 Rockford amp. Couldn't ask for anything more. Thanks Crutchfield. I've wouldn't ever came across this product without your site. Great buy.

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Fixed factory radio in '20 honda civic!

I previously tried an lc7i wired on all 4 channels and summed for a subwoofer out. The factory head unit in my Honda cut bass at 40hz down to pretty much nothing at 20hz. The lc7i restored SOME of the missing bass but after plugging in the oscilloscope I could still see what was missing. The Keyloc had a slightly more complicated set up but after that- my signal is now perfect! The lows have been fully restored all the way down to 20hz! No more gaps in frequency bands.

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Best DSP/Line Converter

AMAZING!! in all my 40 years of car audio installation never have I found a DSP so simple to use and setup, i have installed this on my 2018 Goldwing DCT on the two front channels and allowed this DSP/Line out convertor to do its thing, and the end result was wonderful audio sound and a sense of balance throughout the Frequency spectrum. Diffinately a plus in my book :)

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Kicker 47KEYLOC Smart Line-Out Converter

This thing is amazing, the instructions it comes with are kind of hit and miss on the setup but a quick search and there was a video and 15 minutes later.....OMG I be been trying to get this nose Cadillac stereo system with 10 speakers to sound right for up to 6 months trial and error. And I'm telling you if you have a Bose system this is the way to go :

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KEYLOC Solved my factory signal issue

I am now a believer. I installed this Kicker KEYLOC in my 2017 Subaru WRX STI. My car is just the base model so no fancy factory audio. The factory head unit in my car will not send any low range frequencies to the factory speakers. Also, there is no factory sub signal to tap into for line-out to aftermarket amp. I ended up tapping into the rear door speakers with a PAC converter and quickly realized my sub was missing low frequencies. Only punchy bass was audible, no lows. I stumbled upon the KEYLOC and gave it a shot. I'm glad I did because it was able to restore the missing lows from my factory signal! Hope this helps someone else.

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Amazing

Great product and price

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Excellent!

This device has exceptional response and clarity. Took all distortion and feedback from aftermarket amplifier.

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