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  • AudioControl LC1i Active 2-Channel Line Driver/Output Converter with Impedance Matching

AudioControl LC1i Active 2-Channel Line Driver/Output Converter with Impedance Matching

4.7 out of 5 stars (470)
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About this item

  • Built In Line Driver with up to 9.5 Vrms Output
  • Line Level Inputs
  • Load Selection Switch for Painless OEM Integration
  • Multiple Trigger Modes: GTO, Audio Sense, 12 V Turn On
  • Slim Chassis with Integrated Mounting Brackets
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Product Description

AudioControl LC1i

The LC1i joins 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 Original Equipment integration has never been easier and the LC1 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. For future head unit upgrades, the LC1i is also a line driver and can remain in the system to provide optimal preamp signal.

Provide input signal for your amp. Aftermarket amplifiers and DSP sound processors need clean and strong input signals, whether they come from a receiver's RCA outputs or a factory amp's speaker outputs. AudioControl's LC1i line output converter can produce up to 9.5 volts of preamp-level output in either case, acting as a line driver using its RCA inputs or as a line output converter using the speaker-level inputs.

Works with factory amps. Those speaker-level inputs can handle up to 40 volts, the equivalent of 400 watts, so you can use one in a premium system with a factory amplifier, enabling you to retain all your vehicle's factory audio options and warnings. The LC1i's level control with a Maximized LED indicator help you to keep the signal strong, as well as under control and distortion-free.

AudioControl LC1i Active 2-Channel Line Driver/Output Converter with Impedance Matching

AudioControl LC1i Active 2-Channel Line Driver/Output Converter with Impedance Matching

  • Factory System Upgrade
  • Two Channels of Active Speaker Level Inputs (up to 40V input handling)
  • Two Channels of line level Inputs
  • GTO Signal Sensing
  • Built In Line Driver with up to 9.5 Vrms Output
  • Load Selection Switch for Painless Original Equipment Integration
  • Ground Isolation Switch
  • Multiple Trigger Modes: GTO, Audio Sense, 12 V Turn On
  • Compact Design
  • Slim Chassis with Integrated Mounting Brackets

AudioControl LC1i
AudioControl LC1i

GTO Signal Sense

DC offset is a highfalutin technical term that means the LC1i can sense when the head unit is on, not necessarily when audio is being sent to the LC1i. Use GTO Signal Sense mode when your factory sound system outputs a DC offset when it is on.

AudioControl LC1i

Setting Levels

Use the Output Level knob to adjust the output level. We would say more here, but it doesn¡¯t get much simpler than that.

AudioControl LC1i

Audio Sense

When this mode is selected, the LC1i will ONLY turn on when you start playing a source from the head unit. Whether it be the radio, CD player or streaming via Bluetooth from a mobile device. If you turn the head unit on, but DON¡¯T play audio, the LC1i will not turn on.

AudioControl LC1i

Remote Input

This is the traditional way to turn on the LC1i and gives you more control of exactly when the unit will turn on. Most common places to connect the remote input are from the ignition of the vehicle, fuse box, or some other 12V source (such as a cigarette lighter).

AudioControl LC1i

Ground Isolation Switch

This handy switch allows the user to change how the LC1i is grounded. Sometimes when installing car audio equipment, ¡°ground buzz¡± or ¡°alternator whine¡± will creep into the audio path, wreaking havoc on your listening experience. There are 3 positions. GND, ISO, and 200 ohms. The unit ships from the factory in the ISO position.

GND - Power ground and audio ground are tied together.

ISO - Power ground and audio ground are separate.

200¦¸ - There is 200 ohms of resistance between power ground and audio ground.

AudioControl LC1i

Load Selection Switch

The LC1i is designed to present NO load to the output of the factory amp, which can make some factory amps upset and may stop passing audio. The Load Selection feature tricks the factory amp in to detecting a speaker load so it will continue to pass audio.

20 ¦¸ - Best suited for late model Dodge/Chrysler/Jeep/Ram/Fiat vehicles equipped with Original Equipment base sound system. (no separate factory amplifier)

60 ¦¸ - Best suited for late model Dodge/Chrysler/Jeep/Ram/Fiat vehicles equipped with a separately amplified Original Equipment ¡°premium¡± sound system.

20 k¦¸ - Best suited for all other applications

AudioControl LC1i

Power

As awesome as it is that the LC1i can be turned on 3 different ways, you still very much need to connect the LC1i to constant +12V power and ground. Maybe one day science will invent a way to electrically power devices via the sweet guitar solo of Jimi Hendrix, but until then, we need +12V power and ground

Remote Output

Use the Remote Output (Rmt/Out) to trigger on your aftermarket amplifier. When the LC1i turns on (regardless of method) the Remote Output will always be active. Do not connect more than two amplifiers to the LC1i Remote Output. Connecting more than two amplifiers may damage the LC1i.

AudioControl LC1i

Maximized Light

The Maximized Light can be used to help achieve optimal output level and will let you know if you are getting close to clipping the output of the LC1i.

With the factory system set to its maximum undistorted volume, match the output level of the LC1i to the input maximum of your after market amplifier. If the Maximized Light turns on, the LC1i output is distorting. Turn the output level down until the Maximized Light turns off. IF THE MAXIMIZED LIGHT NEVER TURNS ON, don¡¯t panic. This just means the output of the LC1i is not clipping/distorting.

Specifications

Speaker Level Input: 1 (2 channels)
Maximum Speaker Level Input: 40 Vrms / 400 W (20k¦¸ setting)
Speaker Level Input Impedance: (Selectable) 20¦¸, 60¦¸, 20k¦¸
Line Level Input: 1 (2 channels)
Line Level Input Impedance: 7°ì¦¸
Preamp Outputs: 1 (2 channels)
Maximum Output Level: 9.5Vrms/13V peak
Output Gain: +/- 12 dB
Output Impedance: 150¦¸
Total Harmonic Distortion: 0.01%
Signal to Noise: >110 dB
Frequency Response: 20 Hz ¨C 50 kHz ¡À1 dB
Control: Remote In / GTO Signal Sense / Audio Sense & 12VDC Remote Out (always active when unit is on)
Current Draw: 120 mA
Recommended Fuse Rating: 1 A
Dimensions: 4.8¡åL x 3¡åD x 1¡åH (including speaker connectors) & Weight: 0.55 lbs. (0.25 kg)
AudioControl LC1i Specs

Product information

Technical Details

Brand ‎AudioControl
Manufacturer ‎Audio Control
Model ‎LC1i
Model Name ‎LC1i
Part Number ‎LC1i
Special features ‎AudioControl LC1i Active 2-Channel Line Driver/Output Converter with Impedance Matching, Factory System Upgrade - Load Selection Switch - GTO Signal Sensing - Ground Isolation Switch
Mounting Hardware ‎Includes all items shown in pictures
Power source type ‎12V
Batteries included ‎No
Batteries Required ‎No
Connector Type ‎RCA
Mounting type ‎Surface Mount
Manufacturer ‎Audio Control
Item model number ‎LC1i
Product Dimensions ‎12.19 x 7.62 x 2.54 cm; 249.48 g
ASIN ‎B08WPRG5F2

Additional Information

Date First Available Oct. 30 2020
Customer Reviews
4.7 out of 5 stars (470)

4.7 out of 5 stars
Â鶹Çø Rank
Is discontinued by manufacturer No

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AudioControl LC1i Active 2-Channel Line Driver/Output Converter with Impedance Matching

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Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Product Dimensions ‏ : ‎ 12.19 x 7.62 x 2.54 cm; 249.48 g
  • Manufacturer ‏ : ‎ Audio Control
  • ASIN ‏ : ‎ B08WPRG5F2
  • Item model number ‏ : ‎ LC1i
  • Customer Reviews:
    4.7 out of 5 stars (470)

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Customer reviews

4.7 out of 5 stars
470 global ratings

Customers say

The power converter functions very well and works great for late model Jeep and Dodge vehicles. Customers describe it as a quality product with excellent build quality. The device produces nice clean sound with good noise levels. Users find it easy to use and install, describing it as simple to operate. The converter is small and compact while still working great. Customers are satisfied with its versatility, though they have different opinions on adjustability.
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29 customers mention functionality, 27 positive, 2 negative
The power converter functions very well and works great for late model Jeep and Dodge vehicles. It works perfectly for installing subwoofers with absolutely zero problems. The clip indicator works flawlessly, and customers find it performs as expected with all Audio Control products.
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...Read more
Works as expected...Read more
...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...Read more
27 customers mention build quality, 27 positive, 0 negative
Customers find this power converter to be a quality product with excellent build quality. They describe it as a flawless GTO and very nice line driver, with things working perfectly. Some consider it the best line amplifier available.
...by any means, relatively easy to set up great for the value, build quality is great....Read more
23 customers mention sound quality, 17 positive, 6 negative
Customers appreciate the power converter's sound quality, describing it as nice and clean with good noise levels. The sound remains undistorted and works well for adding subwoofers, with users finding the setup process straightforward.
...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...Read more
...skeptical about buying a line out converter, but this converts a nice clean sound.Read more
19 customers mention ease of use, 19 positive, 0 negative
Customers find the power converter easy to use and install. They describe it as simple with detailed instructions provided. Users mention it's easy to connect an amplifier and upgrade factory stereos with ease.
Using factory head unit in my ¡®21 Kona, connections are simple. Only using the front speakers as input which than hooks into my amp....Read more
...and it works perfect, sound is not distorted by any means, relatively easy to set up great for the value, build quality is great....Read more
6 customers mention compact, 6 positive, 0 negative
Customers appreciate the power converter's compact design, describing it as small and noting that it works great despite its size.
6 customers mention versatility, 6 positive, 0 negative
Customers find the power converter versatile and suitable for various applications. They mention it works well for factory head units and is fine for their specific uses. Some note it's perfect for setups with two amplifiers and great when installing amplifiers with factory head units.
5 customers mention adjustability, 3 positive, 2 negative
Customers have mixed experiences with the power converter's adjustability. Some find it easy to get settings adjusted and appreciate the big adjustable knob, while others note that adjustments don't do much of anything and require some learning to tune properly.
Line level control
5 out of 5 stars
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.
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Top reviews from Canada

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  • James
    5.0 out of 5 stars Easy to use functions as it should
    Reviewed in Canada on January 1, 2025
    Verified Purchase
    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
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  • Â鶹Çø Customer
    5.0 out of 5 stars Line level control
    Reviewed in Canada on May 24, 2025
    Verified Purchase
    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.
    Customer image
    Â鶹Çø Customer
    5.0 out of 5 stars
    Line level control

    Reviewed in Canada on May 24, 2025
    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.
    Images in this review
    Customer image
    One person found this helpful
    Helpful
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  • Dylan
    5.0 out of 5 stars Works as expected
    Reviewed in Canada on March 7, 2024
    Verified Purchase
    I was skeptical about buying a line out converter, but this converts a nice clean sound.
    Helpful
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  • BENOIT
    1.0 out of 5 stars Item avait d¨¦j¨¤ ¨¦t¨¦ install¨¦ auparavant et endommag¨¦ par quelqu'un d'autre
    Reviewed in Canada on April 27, 2025
    Verified Purchase
    J ai recu un item usag¨¦.
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    BENOIT
    1.0 out of 5 stars
    Item avait d¨¦j¨¤ ¨¦t¨¦ install¨¦ auparavant et endommag¨¦ par quelqu'un d'autre

    Reviewed in Canada on April 27, 2025
    J ai recu un item usag¨¦.
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    One person found this helpful
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Top reviews from other countries

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  • Steve stennett
    5.0 out of 5 stars Audio control lci
    Reviewed in the United Kingdom on January 9, 2025
    Verified Purchase
    Very good LCI YOU NEED THIS UNIT IF YOUR CONVERTING YOUR ORIGINAL CAR STEREO TO A AFTERMARKET AMPLIFIER I HAVE TRIED DIFFERENT LCI BUT THIS ONE WAS THE BEST
    Customer image
    Steve stennett
    5.0 out of 5 stars
    Audio control lci

    Reviewed in the United Kingdom on January 9, 2025
    Very good LCI YOU NEED THIS UNIT IF YOUR CONVERTING YOUR ORIGINAL CAR STEREO TO A AFTERMARKET AMPLIFIER I HAVE TRIED DIFFERENT LCI BUT THIS ONE WAS THE BEST
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    Report
  • ¸ßËÉÁÁ
    5.0 out of 5 stars ¥é¥¤¥ó¥É¥é¥¤¥Ð©`
    Reviewed in Japan on December 13, 2025
    Verified Purchase
    ¤³¤ì¤Ï×î¸ß¤ÎÉÌÆ·¤Ç¤¹¤Í
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  • Yann
    5.0 out of 5 stars Fonctionne tr¨¨s bien
    Reviewed in France on August 25, 2025
    Verified Purchase
    Install¨¦ dans une sono de voiture afin d'¨¦viter de mettre le gain de l'ampli ¨¤ fond. La raison ? Bien les autoradio Android venant de Chine ne d¨¦livre pas assez de volt dans les RCA, le LC1i est donc n¨¦cessaire afin de ne pas pousser l'ampli ¨¤ fond. J'ai choisi la s¨¦curit¨¦ et ajouter des fusibles en plus dans le coffre, histoire de prot¨¦ger les c?bles.
    C'est pas donn¨¦e comme produit mais tr¨¨s utile (achet¨¦ 125€ le jour de ma commande)
    Report
  • Michelle
    5.0 out of 5 stars Works great to connect amp to factory head unit stereo
    Reviewed in the United States on February 5, 2026
    Verified Purchase
    Works great easy to install with provided detailed instructions.
    Report
  • Humberto
    5.0 out of 5 stars Best line amplifier
    Reviewed in the United States on March 27, 2025
    Verified Purchase
    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.
    Customer image
    Humberto
    5.0 out of 5 stars
    Best line amplifier

    Reviewed in the United States on March 27, 2025
    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.
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Product Summary: AudioControl LC1i Active 2-Channel Line Driver/Output Converter with Impedance Matching

From AudioControl

4.7 out of 5 stars, 470 ratings

Customer reviews

Price

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Other sellers

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About this Item

  • Built In Line Driver with up to 9.5 Vrms Output
  • Line Level Inputs
  • Load Selection Switch for Painless OEM Integration
  • Multiple Trigger Modes: GTO, Audio Sense, 12 V Turn On
  • Slim Chassis with Integrated Mounting Brackets

Product description

The LC1i joins 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. =
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