AudioControl LC2i 2-Channel Line Output Converter with AccuBASS for Adding Subwoofers, Amplifiers to Factory Car Audio Receiver Head Unit, Speaker Level to RCA Line Level Converter
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Availability:
In Stock.
Arrives
Wednesday, Sep 2
Size: LC2i without Wired Remote
Features
- Upgrade your audio system while keeping your factory stereo: Convert speaker-level signals up to 400W per channel from your OEM radio or amplifier to high quality pre-amp output signals directed to aftermarket subwoofers, amplifiers, and processors.
- Maximize your bass: AccuBASS processing technology corrects and restores bass roll-off when the volume is increased on the factory radio.
- Save vehicle space: A compact slim chassis with integrated mounting brackets enables quick and easy installation without taking up extra room in your car. Dimensions: 5.4L x 3.25D x 1.5H (6.5L including mounting brackets).
- Retain important factory features: Including the use of factory volume and steering wheel controls.
- Gain full control over your sound: Fixed and variable outputs with discrete onboard level controls allow you customize your audio and make adjustments easily. *Does not retain fader control when running multiple amplifiers. For applications where this is desired, use LC5i PRO, LC6i, LC7i, LC7i PRO.
- Control subwoofer levels from the drivers seat: Includes optional input for adding the ACR-1 dash knob remote (sold separately).
- Choose your turn-on mode: Features selectable Great Turn On (GTO) signal sense to automatically power the LOC or remote 12V input for manual control.
- Turn on your other devices: By using the Remote Out, this line out converter can trigger up to 2 devices down the signal chain including amplifiers, line drivers, crossovers, or any other device with a Remote In. *Compatible with most but not all vehicles. A remote turn on wire may still be required.
- For best results, the +12V should be provided by the battery via a direct line or from a power distro-block. The preferred wire gauge for the connection is an 18 AWG, and a 1A fuse is recommended.
Description
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Brand: AudioControl
Maximum Supply Voltage: 13 volts
Minimum Supply Voltage: 9.5 volts
Mounting Type: general-purpose mount or none
Number of Pins: 6
Maximum Supply Voltage: 13 volts
Minimum Supply Voltage: 9.5 volts
Mounting Type: general-purpose mount or none
Number of Pins: 6
Interface: Coaxial
Number of Channels: 2
Audio Output Mode: Stereo
Item Dimensions L x W: 5.4"L x 3.25"W
Material Type: Metal, Plastic
Brand Name: AudioControl
UPC: 701748808933 796594153917 855814005891 789993542192 841992124912 654008605462
Compatible Devices: Factory audio systems, aftermarket processors and/or amplifiers
Unit Count: 1 Count
Manufacturer: AudioControl
Number of Items: 1
Global Trade Identification Number: 33
Included Components: LC2i; Speaker and Power Connectors; User Manual
Model: LC2I
Part Number: LC2I
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Sep 2
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Size: LC2i without Wired Remote
The AudioControl LC2i is an excellent solution for adding an aftermarket amplifier and subwoofer to a factory stereo system. It makes installation much easier by converting the factory speaker signal into a clean RCA output while maintaining great sound quality. The AccuBASS feature is a huge advantage because it helps restore the low-frequency bass that many factory systems reduce at higher volumes. After tuning it properly, the bass output is much stronger, deeper, and more consistent. The build quality is excellent, and the controls are easy to adjust for getting the perfect sound balance. Installation is straightforward, and it works reliably without introducing unwanted noise or distortion. Overall, the LC2i is one of the best line output converters available for upgrading a factory audio system. It delivers clean signal processing, great bass restoration, and professional-level performance. 5/5 stars.
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Reviewed in the United States on July 17, 2026 by Thomas
I originally put a passive Scosche LOC in my car when I couldn't find low level outputs on my factory system. It popped and clicked and the bass was missing at the low end of things. I replaced it with this (and mounted a level control knob), and things are sounding dramatically better. The signal was so weak on the Scosche unit that the bass would drop off in certain ranges even though I was tapping the high level lines for factory door subwoofers. The little white Accubass threshold knob on this thing allows you to adjust until the bass "pops back in" at lower ranges. The manual was a bit short for my tastes, and I am not sure what each knob does or does differently from one another. However, this thing really boosted my signal and has added in about 50% more low end punch. Before I got this I was disappointed with my setup. I previously always had high voltage preamp outputs to use from aftermarket stereos with my installs. With this thing, the sound level stays consistent with the volume instead of ramping up only at high volumes like I got on a passive unit and things sound to me much like they are coming from a clean preamp signal. Something I really liked about this was the fact that the terminal ports can be unclipped from the unit if you want to work on them separately. This makes it a lot easier to wire in a tight space and then snap them back in when you are done. The unit is fairly weighty and long, so it was a difficult fit for me where I needed it on the wall under the dashboard. All in all, I would get this thing if you need a LOC. I balked at the price initially, but this thing is worlds better than the scosche units. Overall it is worth the price, and the construction of this thing makes me believe it will hold up long enough to be used in future installs if and when I change vehicles. Don't waste time with other LOC's with mixed reviews. You will be end up paying for two when you buy this to replace it.
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Reviewed in the United States on February 9, 2013 by ISmokaDaMeats
Size: LC2i without Wired Remote
I recently installed the Skar Audio SVR-1X10D2 loaded enclosure, paired with the RP-800.1D amplifier and an AudioControl LC2i, and I couldn’t be happier with the results. The subwoofer enclosure is extremely well-built and tuned perfectly for deep, clean bass. It delivers impressive output for a single 10” setup—tight, responsive, and capable of hitting surprisingly low frequencies while still maintaining clarity. The vented design really allows the sub to breathe and perform at its best. The RP-800.1D amplifier has been a perfect match for this setup. It provides consistent, reliable power and stays cool even during extended listening sessions. The included remote bass knob is a great touch, making it easy to fine-tune output on the fly depending on the track. Adding the AudioControl LC2i made a noticeable difference in signal quality. The AccuBASS feature helps restore low-end frequencies that can get lost in factory systems, resulting in a much fuller and more dynamic sound. Overall, this combination exceeded my expectations. Installation was straightforward, build quality across all components is excellent, and the performance is outstanding for the price point. I would absolutely recommend this setup to anyone looking for a powerful, clean, and well-balanced bass upgrade.
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Reviewed in the United States on March 25, 2026 by Tara Chandler
Running this in my 2012 BMW M3. Didn't want to mess with my OEM iDrive CIC but didn't want the typical loss of sound quality you normally associate with LOC's... After reading reviews, The LC2i seemed superior the other higher quality LOC's made by the competitors. FYI, I am using this unit with (1) 12" Alpine Type R DVC (4ohm Coils, wired in Parallel down to 2 ohms), a Pioneer Champion Series 2400w Mono 1 ohm stable amplifier. 4 AWG Wiring, High Quality RCAs, and a 2.0 Farad Power Capacitor. (Just added Hifonics BXI Pro Bass Enhancer (Another great product, although had I known that Audio Control made a comparable product, "the Epicenter: Bass Enhancer" I would have bought that over the the BX PRO. Sounds incredible, the same, If not better than had i been using the best quality pre-amp outputs from a high end head unit. ***WARNING*** Use a multimeter or occiliscope to test your peak wattage and RMS before hooking up your amp, then before wiring your sub. If you don't know how, have it professionally installed....This unit can potentially increase voltage and therefore wattage going to into (thus out of) your amp by a great deal. With the Gain set at its lowest point, my amp which advertises 800 RMS @ 2 ohms, was pushing over 1000RMS, because I had my LC2i Bass Output Knob turned passed 12 o clock. (No need to go further than 12) and with an already overpowered amp (even for a type R) I keep my general output on my LC2i to about 1/4 power, gain on amp @ lowest setting, and a gain remote (2x's RCA in/out) to actually further lower the RCA input voltage into my amp to protect my speaker. I also should have wired my sub in series to bring it to 8ohms so I can actually use some of the monster power my system is capable of. But anyway, Back on topic. Before this I had the EXACT same setup with a PAC $20 LOC. After switching to the AC LC2i, It was like I bought a $500+ head unit. Completely eliminated my need for an aftermarket head unit. Instead, I am planning on upgrading to the LC6i 6 channel LOC and upgrading all 9 OEM speakers and running a 15 Band EQ (ALL my BMW CiC has in Bass/Treble LOL)
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Reviewed in the United States on November 30, 2015 by daniel
Size: LC2i without Wired Remote
I installed a new amp on my door speakers recently with a passive line output converter. I immediately had tons of the dreaded Alternator noise. I spent two weeks troubleshooting. Everyone kept telling me it was a ground loop but nothing I did made a difference. I finally decided to drop the money on the LC2i active LOC and instantly the noise is gone. My system sounds awesome now. This unit works great. My only issue is the threshold trim pot for the accubass. I tried a couple of different size small screw drivers and it's really hard to get a feel for when you are actually turning it. I know they moved this knob on the Pro but it still seems like this one could use a slight modification. Solid purchase. Worth every penny!
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Reviewed in the United States on May 19, 2024 by C.
Size: LC2i without Wired Remote
Works like a charm, no long remote wire to run but it does require its own power and ground so take that as you will lol. Set up was easy the only thing I had a hard time with was figuring out how the input connectors work but once you get it down and mount it tight it’s a great LOC with enough tuning capabilities and versatility for all model years. I drive a 21 civic and everything hooked up real clean, 10/10
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Reviewed in the United States on July 12, 2026 by David
Size: LC2i without Wired Remote
Great product for the price
Reviewed in the United States on April 26, 2026 by Bruce
Size: LC2i without Wired Remote
I installed this on my 2006 BMW 330i.with factory radio. The bmw factory amp wires going to factory subwoofer is where I tapped into to get my high level amp signal. The signal converter that came with my new amp was allowing the full power about 40 watts to pass to the rca input on my aftermarket amp. The aftermarket amp would go into protect mode at 50-60% volume. I installed the lc2i with accu bass and it solved the problem. It was very easy to tune and Sound quality is great. I love that it has the high level sensing to turn it on and the remote out also powers up which i use to trigger the amp. This unit restores the bass thae factory radio reduces at higher levels also. Very happy with it.
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Reviewed in the United States on April 8, 2026 by Shawn