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AudioControl LC2i PRO

2-Channel 400W Line Output Converter with AccuBASS and ACR-1 Remote

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• 2-Channel Line Out Converter
• AccuBASS processing for correction of bass roll-off
AudioControl ACR-1 REMOTE wired bass remote knob included

Learn more about the lc2ipro
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List price $209.00
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$159.00

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Product Highlights


• 2-Channel Line Out Converter
• AccuBASS processing for correction of bass roll-off
AudioControl ACR-1 REMOTE wired bass remote knob included

Description


AudioControl brand icon

Authorized dealer


AudioControl LC2i PRO

The LC2i PRO join ranks with AudioControl’s most popular active line output converter, the LC2i. Adding a sub? Planning a full system? Either way, get the best possible signal from your factory sound system to your amplifiers. Load selection switches mean OEM integration has never been easier and the LC2i PRO will work with the most finicky factory sound systems. Installer friendly turn on trigger modes allow for flexibility via GTO Signal Sense (DC offset), audio sense, or remote 12 volt inputs. Compensate for factory bass roll-off with AudioContol’s patented AccuBASS and control your sub with the included ACR-1 level control.


Product Details:

  • 2-Channel Line Out Converter
  • Converts speaker level inputs to pre-amp line level signals
  • AudioControl ACR-1 REMOTE wired bass remote knob included
  • 2 inputs and 2 outputs
  • AccuBASS processing for correction of bass roll-off
  • 20-ohm, 60-ohm or 20000-ohm load selection switch
  • GTO signal sensing
  • Ground isolation switch
  • Compact design
  • Dimensions: 6.9" L x 3" W x 1" H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Specifications:

  • Number of Channels: 2-Channel
  • Frequency Response: 20 - 50000 Hz
  • Total Harmonic Distortion (THD): 0.01%
  • Input Impedance (Selectable): 20-ohms, 60-ohms or 20000-ohms
  • Speaker Level Input Rating: 400 watts
  • Preamp Output Voltage: 13 volts
  • Recommended Fuse Rating: 1 amp

Product history:

AudioControl LC2i PRO thumbnail
(newest, current model)
AudioControl LC2i-4 thumbnail
(previous model, replaced by AudioControl LC2i PRO)
AudioControl LC2i thumbnail
(previous model, replaced by AudioControl LC2i)

Frequently Asked Questions (FAQ)


Check the "Trigger Mode" switch. If using the "GTO" (Great Turn On) setting, the unit looks for a DC offset from the factory radio. If your car doesn't provide this, switch it to "Audio" or run a manual 12V wire to the "Remote In" terminal.
A solid red LED means the internal signal is clipping (distorting). Turn down the "Main" or "Bass" output knobs until the LED only flickers occasionally or stays off. This ensures a clean, undistorted signal is sent to your amplifier.
This is "bass roll-off" designed to protect factory speakers. To fix it, turn the "AccuBASS" Threshold knob up until the "AccuBASS" LED lights up, then adjust the "Level" knob to bring the bass back to your desired punch.
This is usually a timing issue with the remote turn-on. Use the "Remote Out" delay jumpers inside the unit (requires removing the cover) or adjust the "Load Selection" switch (20, 60, or 20k ohm) to better match your factory amp's output.
Many modern cars (like Dodge or Chrysler) look for a speaker "load." Set the LC2i PRO "Load Selection" switch to 20 ohm. This trick fools the factory system into thinking speakers are still connected so it doesn't shut down the audio.
Yes. The LC2i PRO requires a constant 12V power source and a solid ground to function correctly. Do not "tap" into a small 22-gauge radio wire; use a 16-gauge or 14-gauge wire to a fused 12V source for stable performance.
Ensure the cable is "clicked" into both the knob and the LC2i PRO. Also, verify that the "Level" knob on the unit itself isn't turned all the way down. The ACR-1 acts as an attenuator for the level you have already set on the main unit.
Always tap into the factory subwoofer wires if possible, as they carry the full bass signal. If tapping door speakers, ensure they aren't "filtered" by a factory crossover, or you won't get any low-end signal for your new sub.

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Specifications & Details


Line Out Convertor Specifications
Number of Channels
2-Channel
Frequency Response
20 - 50000 Hz
Speaker Level Input Wattage/Voltage
400 watts
Preamp Output Voltage
13 volts
Line-Out Converter Features
Turn on Mode
Remote Wire
Signal Sensing
Ground Isolation Options
200 ohms
Ground
ISO
Selectable Impedance Load
20, 60, 20k ohm
Remote Turn On Output
No
Remote bass/level controller
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

LC2i PRO

Weight:

1.50lbs

Internal SKU:

lc2ipro

Internal Product ID:

178427

Product and How-to Videos


Customer Ratings & Reviews


AudioControl LC2i PRO thumbnail image

5 star
83%
4 star
17%
3 star
0%
2 star
0%
1 star
0%



Durability
4.9
Value
4.9
Features
4.9
Design
4.9
Usability
4.9

Customer Reviews

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Audio Control LC2i PRO

This product is good for adding to your factory radio. I add it with an amp and subwoofer and it sounds good in my Dodge Charger. I recommend it if you don't want to get an aftermarket stereo .

By Calvert on July 8, 2022 Checkmark Icon Verified purchase

39 found this helpful


Great unit

I want it only to add some subs to my existing stock navigation radio this unit works perfectly. Add it to 12s sounds amazing.

By Jasmine on October 16, 2023 Checkmark Icon Verified purchase

31 found this helpful


By Giovanny on January 24, 2023 Checkmark Icon Verified purchase

31 found this helpful


By Dezerek on October 13, 2023 Checkmark Icon Verified purchase

30 found this helpful


By Joseph on January 25, 2024 Checkmark Icon Verified purchase

20 found this helpful


By Gustavo on March 25, 2024 Checkmark Icon Verified purchase

11 found this helpful


By Herbert on August 4, 2024 Checkmark Icon Verified purchase

7 found this helpful


By richard on June 24, 2024 Checkmark Icon Verified purchase

6 found this helpful


By angel on March 10, 2025 Checkmark Icon Verified purchase

1 found this helpful


Awsome integration in to factory head unit

Integrated flawlessly into my factory bose system off the subwoofer circut. The bose amp sees the load and doesn't try to sut down circut. Sounds amazing and restores lost bass volume. Love the clip detector light for setup.

By Justin on May 5, 2026 Checkmark Icon Verified purchase
2018 Chevrolet Silverado 1500



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