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🎶 Upgrade your ride’s sound game—factory stereo, unleashed!
The AudioControl LC1i is a compact 2-channel line output converter and line driver designed to transform factory speaker-level signals (up to 400W) into high-quality pre-amp outputs. Featuring selectable load settings for seamless integration with modern OEM amplifiers, a built-in line driver to boost weak signals, and noise elimination switches, it ensures distortion-free sound. Optional remote control for subwoofer levels and flexible turn-on modes make it a professional-grade upgrade for any car audio enthusiast.



































| ASIN | B08WPRG5F2 |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #1,885 in Musical Instruments ( See Top 100 in Musical Instruments ) #3 in Recording Signal Converters |
| Brand | AudioControl |
| Brand Name | AudioControl |
| Compatible Devices | Amplifiers, Factory Radios, Processors |
| Customer Reviews | 4.7 out of 5 stars 615 Reviews |
| Included Components | LC1i, Speaker and Power Connectors, User Guide |
| Interface | RCA |
| Interface Type | RCA |
| Item Dimensions L x W | 4.8"L x 3"W |
| Item Highlight | Add aftermarket subwoofers or amplifiers & retain OEM head unit, onboard load selection, distortion-free sound system upgrade |
| Item Weight | 8.8 ounces |
| Manufacturer | AudioControl |
| Maximum Supply Voltage | 40 volts |
| Minimum Supply Voltage | 40 volts |
| Model | LC1i |
| Mounting Type | Screws |
| Number of Channels | 2 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pins | 12 |
| Part Number | LC1i |
| UPC | 851523007799 789993544707 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Manufacturer |
H**O
Best line amplifier
This thing is awesome. I bought an nvx xbbr2 but it seemed to amplify the wrong frequencies from my pac audio APSUB-TY12. So I decided to get this to amplify the 5v outputs of the PAC. Well worth it too. Still trying to figure out the parametric eq settings from the oac but with this I get the punch I want out of my system now. 2018 highlander limited with nvx 500w fitted box for highlanders hooked up to a stinger audio amp. Super small and only needs a 1 amp in line fuse. Worth it if you just need to amplify a signal without modifications. Noise level is good. No remote control was included. Setting it up was super easy too, just piggy backed off the amplifier power, I have the gain turned up all the way on this and still no distortion form my sub (about 3/4 gain on amp) . Maybe I'll have to switch out to my 700w sub instead.
R**H
A must for oem head unit sub setups
Worked perfectly for my wife’s 21 tlx a spec with the 13 speaker premium audio. Didn’t want to change the head unit, so tried to do an old school splice to a rear speaker and the signal was weak, random bass sounds, distorted, garbage. So today I disabled the active noise cancellation module, and installed this LC1 with signal coming from L and R rear deck speakers and the sound improvement was dramatic. It also turned out the original 1 channel I had ran backwards so reversed polarity was also killing the sound, pay attention to + and - when you run these things! At this point I now have 3/4x more bass at the sub than before, and my gain is only at about 30%. I really like the maximized light as well, it was helpful while tuning the lc1 before tuning the amp. Word to the wise, make sure the amps gain is set to almost 0 because when this signal that is 5x stronger than the original speaker tap kicks in, it could be so loud that it blows your speaker, but luckily for me I was able to get that fixed before it blew. I also have the trigger set to auto audio, then ran remote out to the amp to control the amps power from the lc1, for powering the lc1 I just tapped the power and ground cables at the amp and I was all set. Amazing device, would never do a subwoofer on a factory head unit without this LC1 after seeing these results.
B**R
Get this if you have an Amazon stereo and want to add an amp/sub!
I’ve got an Android stereo in my 2015 Jeep Compass. It’s great in every way except the RCA outputs for L/R and sub have low voltage. This unit boosts the signal so you can set the gain without cranking it. The signal is nice and clean, and it’s easy to install this unit behind the Android stereo somewhere because it’s small. I love this little thing and for $50 you can’t beat the price and quality. Frequency response is 20hz to 50khz, so it’s fine for my uses. Just make sure to set the switches and settings right. Don’t max out the output knob, keep it at 90% or lower and adjust the amp gain accordingly. It’s always best to have a little headroom in every component for the cleanest signal.
C**S
I love this LOC
I love these. This is the second one Ive purchased. I installed one in my 2020 Mustang and one in my 2022 F150. Both are running 10" subs with aftermarket amps. The remote turn on feature is great. Tuning them is great to eliminate clipping to the amps
P**O
AC LCi Best I've found.
This unit works great! Eliminates sub thump, alternator noise and allows an increase in line voltage to your amp from my lame 2v head unit. Wish they made a 6 rca channel unit.
C**T
Small but mighty
I got the AudioControl LC1 to add a woofer to my car stereo. Now I am not the handiest individual out there, but a bit of You Tube I had the little unit installed and tucked away in no time at all easy peezy. A little fiddling...with the help of You Tube again...had the sound tailored to my space. It is simple and easy to use and small enough to get just about anywhere. Seems like a solid design and feels durable. Small and cost effective way to add some zip...to your trip.
B**L
As advertised
Pros: Works like it should. Quality build, big adjustable knob. Can get very loud. Couldn't get the max to light up, it's probably because I am not using a high power head unit. Love the quick disconnect Cons: The wire connections don't hold very good, tiny screw using tiny flat head... not very supportive. Phillips would have been better for more torque Decided not to use for my bagger anymore, going a different direction. Would I buy again. Sure, and probably modify the terminals for a phillip style screw set. For the price you can't beat $55
J**R
If you have a stock radio and added a line out converter get this as well
I have a new ford explorer xlt and to change the radio isn’t that simple the infotainment system in the new explorers is very costly to add an aftermarket radio and changing the radio requires so many accessories and the radios available all change your heating and ac and power seat controls. Too much to risk. With that said I added a kicker line out comverter to add an amplifier. When I hooked everything up my sub sounded like trash and the signal was muffled and a lot of bass ranges on songs were missing. I spent over a month researching products to fix this issue I even tried a smart line out converter but that helped only a little. I found this line out booster in a car audio forum as a recommendation instead of the 1000$ I was about to spend on a digital sound processor and digital amp. I ordered this item thinking it wasn’t going to do much being this cheap. I was sadly mistaken. I added this to my stereo before my amplifiers and it boosted and cleaned up the signal beyond my wildest expectations. Every song is crystal clear and my sub works like it was hooked up to an aftermarket radio. If you’re adding a sub to any factory radio do yourself a favor and add this. I just added a distribution block to power the device and plugged in my rcas accordingly and tuned it to my amps. All in all took 20 minutes to install and my stereo is mint. If you’re not really a review person trust me and this review you’ll save yourself the stress and money… Edit: could just be the unit itself but after having for 4 months I’m now having to replace this unit. I’m running a pretty heavy system so with that much power things happen but was hoping would last longer. But totally worth the money
高**亮
ラインドライバー
これは最高の商品ですね
Y**N
Fonctionne très bien
Installé dans une sono de voiture afin d'éviter de mettre le gain de l'ampli à fond. La raison ? Bien les autoradio Android venant de Chine ne délivre pas assez de volt dans les RCA, le LC1i est donc nécessaire afin de ne pas pousser l'ampli à fond. J'ai choisi la sécurité et ajouter des fusibles en plus dans le coffre, histoire de protéger les câbles. C'est pas donnée comme produit mais très utile (acheté 125€ le jour de ma commande)
J**S
Easy to use functions as it should
Hooked this up to 2, 10 in speakers (one box) and it works perfect, sound is not distorted by any means, relatively easy to set up great for the value, build quality is great. Had slight issues with the remote but worked it out after wires were hooked up. Over all, quality is great
D**N
Works as expected
I was skeptical about buying a line out converter, but this converts a nice clean sound.
A**R
Line level control
Using factory head unit in my ‘21 Kona, connections are simple. Only using the front speakers as input which than hooks into my amp. Amp is 4 channel but 2 are bridged to run sub. As it relies on an input signal from head unit, if volume is very low it will not detect the signal and not turn on also if what you are listening to has a quiet spot or dead air, it will shut off after 30 seconds or so, power save feature.
Trustpilot
2 days ago
5 days ago