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🎵 Upgrade your ride’s sound game — factory stereo, pro-level bass!
The AudioControl LC2i PRO is a compact 2-channel line output converter designed to convert up to 400W speaker-level signals into high-quality pre-amp outputs for aftermarket subwoofers and amplifiers. Featuring patented AccuBASS technology, it restores bass frequencies lost in factory systems, while dual gain controls and an LED clipping indicator provide precise sound customization. The included ACR-1 remote bass knob lets drivers adjust subwoofer levels effortlessly. With selectable ground isolation and load switches, it ensures noise-free integration with modern OEM audio setups, making it the ultimate upgrade for professional-grade car audio enhancement.



































| ASIN | B08GH3B3PW |
| Audio Output Mode | Stereo |
| Best Sellers Rank | #136 in Car Audio & Video Accessories |
| Brand | AudioControl |
| Brand Name | AudioControl |
| Compatible Devices | Amplifiers, Processors, Subwoofers |
| Customer Reviews | 4.6 out of 5 stars 1,380 Reviews |
| Global Trade Identification Number | 00851523007782 |
| Included Components | LC2i PRO, ACR-1, 20′ Phone Cable, Speaker & Power Connectors, User Guide |
| Interface | RCA |
| Interface Type | RCA |
| Item Dimensions L x W | 6.9"L x 3"W |
| Item Highlight | Includes ACR-1 dash remote bass knob, add subwoofers or amplifiers & retain OEM head unit, car audio sound system upgrade |
| Item Weight | 12 ounces |
| Manufacturer | AudioControl |
| Maximum Supply Voltage | 40 volts |
| Model | LC2i PRO |
| Mounting Type | Not Obtainable |
| Number of Channels | 2 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pins | 4 |
| Part Number | 851523007782 |
| UPC | 789993542215 851523007782 789993542253 789993542277 |
| Unit Count | 1 Count |
| Warranty Description | 1 Year Manufacturer |
E**S
Amazing Sound Upgrade & Effortless Setup!
Great coverage and super easy to use! This AudioControl LC2i PRO line output converter transformed my car audio system completely. Installation was very straightforward, and it restores full bass frequencies flawlessly without any signal distortion. Highly recommended for anyone upgrading their factory setup!
C**Y
Subs hit hard !
Mannnnnnn I got some smooothhh tunes coming out my Whip! No issues easy to install and now my subs are doing there thing.
J**I
You won't be disappointed!
For years I was running a cheap active LOC in my 2014 hyundai veloster turbo, and I wanted more from my subs. I'm running two alpine type R's (swr-10d4) 1000W RMS each, wired to one ohm on a Hifonics Brutus (BRX2000.1D) 2000W RMS @ 1 ohm. I wanted to upgrade my prefab box thinking this was my issue. I did some research and found that I have my gains set too low and after setting this to the proper level it sounded louder but still sounded distorted. It was then I understood my cheap LOC was the reason why, I was getting distortion with barely any preout voltage (had to turn my gain 'way up' to match the low preout voltage.) I decided to bite the bullet on this LC2I. I tapped into the factory subwoofer and played a 50hz 0db test tone through my radio, set at 30/35, turned my level up on my LC2I until the maximized light came on, then backed it off a little. To set my gains on my amp, I took the square root of my 2000w amp multiplied by the one ohm to get my target voltage at the amps output terminal (44.72 V) I then tested my voltage with a DDM at the amps outputs terminals and used the amps gain knob to achive my target voltage of 44.72. The gain was turned down substantially compared to when I was using the cheap LOC, proving the new LC2I was providing a higher preout voltage. The quality and clarity of the subs are now night and day different. I wish i did this upgrade alot sooner. This was well worth the money spent, and if you are using a cheap LOC and looking for more out of your system this is a no brainer. Just do it.
S**K
Makes it so easy to add an amp and sub to a factory amplified system.
Simple install, easy to use, just what i needed. I added this to my vehicle that had a factory amplified sub already. I made a harness that plugged into to factory wires and ran it to the LC2. Super easy. I setup the LC2 to auto turn on. Super easy. I used the remote out to turn on the amp. Super easy. I didn't have to find and run a remote wire for anything. Super easy. It does what I needed it to do. It plays lower than what I expected. Im not positive, but it seems the bass roll off is under 30hz. It doesn't get much easier.
A**.
Plenty of Bass on tap now. Say goodbye to bass roll off
If you have a Ford you're going to need this. Trust me it will wake up your subwoofer or any speaker thats behind it. Super easy to install and take your time with the adjustments to get it right. Watch youtube videos and you'll get it.
L**N
Love it
So... if you are trying to add an amp or multiple amps to a stock radio you cannot spend money on your new set up without this! Way better than passive line out converter. Well worth the money. If you can run the power for your amp you can hook this up. Tapping into your stock speaker is easy enough. AMAZING difference in performance on my amp. It runs way cooler. The only reason it's not 5 stars is the lack of seeing/tuning instructions - clear as mud. The Acubass is awesome but confusing and difficult to tune. Although it did scare the s**t outta me when my head was in the trunk and it kicked in. Insane on the difference it makes. I am running a pair of Rockford Foster R2 10's with a Rockford Fosgate Prime 500.1d amp. Loud enough for the neighbors to come outside and think it was the teenagers down the street (not the 50 year old neighbor)
N**R
Audio Control LC2i Pro
Perfect line out converter to pair with my OEM Audi factory radio.
C**E
Best Online converter for factory radios!
Best inline converter if you want to put an amp on a factory radio!
A**S
Best/cleanest way to add subs/amps to your factory stereo.
These things are awesome. Haven't hooked up in my Mercedes to the factory Burmeister system so that I could run a 10-in sub for some fill and it puts out a beautiful clean signal. Anybody that rates these low has no idea what they are doing with car audio or it didn't take the time to learn how to set them up properly which really doesn't take very long if you have a brain.
P**S
Llegó sin el control a distancia.
Llegó sin el control a distancia, si bien decía que el producto estaba ya abierto, comentaba que contenía el mando a distancia el cuál no llego
S**A
Great piece of kit!!!
Absolute brilliant piece of kit. If you're thinking of adding a sub and amp to your factory stereo look no further this one is for you. Most modern cars especially bmws have factory headunit which have base rolloff which is a feature where when played loud the base rolls off to protect the mid woofers and if you was to add a dedicated mono amplifier and a sub and box you wouldn't get the full potential. With this product they have accu base which counter reacts to the roll off and gives you a full clean signal to your amp. Highly recommended
A**R
Car stereo enhancement
My son ordered for his Cadillac and works great
A**R
Amazing
Amazing
Trustpilot
2 months ago
2 weeks ago