AudioControl LC7i - Black

6-Channel Line Out Converter with AccuBASS

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• Six Channel Line Output Converter with AccuBASS
• Six Channels Of Active Speaker Level Inputs – Accepts Up To 400 Watts Per Channel
• AccuBASS Circuitry
• GTO Circuit – Powers Up The Lc7i When It Detects Signal On The Speaker Level Input

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AudioControl LC7i - Black

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Priced separately $198 99

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$179 00

Product Highlights

• Six Channel Line Output Converter with AccuBASS
• Six Channels Of Active Speaker Level Inputs – Accepts Up To 400 Watts Per Channel
• AccuBASS Circuitry
• GTO Circuit – Powers Up The Lc7i When It Detects Signal On The Speaker Level Input


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Authorized dealer

For over two decades, AudioControl has been designing and manufacturing award-winning auto sound products at our factory located in the rainforests of the Pacific Northwest. During this period, countless sound-off winning contestants have chosen AudioControl products to give them the competitive edge. "Can you really win without AudioControl", was part of an article written commenting on competition winning systems? Nothing sounds better than an awesome recording played back on a kick-butt system. Unfortunately, the acoustics of your vehicle can take away from your system's performance. While AudioControl products do not change the laws of physics (although they act as they do), auto sound enthusiasts have long known that AudioControl products "make good stereos sound better".

LC7i - 6 Channel Line Out Converter with Accubass™

The AudioControl LC7i, a six-channel active line converter, allows all music lovers, who want a great in-car audio experience, to keep their factory-installed source unit and dramatically improve their system performance. The LC7i delivers amazing sound quality and fixes one of the biggest letdowns of today's factory systems, weak BASS!

Designed for maximum sound quality and enhanced audio performance, the LC7i is the latest AudioControl processor to incorporate AccuBASS™. This patent-pending process automatically corrects for the bass roll-off that is common with many factory-installed audio systems and AudioControl's unique and exclusive AccuBASS™ patent-pending circuitry maintains and restores the Bass as the volume is turned up, improving the audio performance.

The LC7i allows the flexibility of powering the audio signals downstream to single or multiple factory amps maximizing sound quality & achieving high output at a great price. In addition, the LC7i is designed to fit into a compact chassis allowing an easy & flexible factory system upgrade in today's space-constrained vehicles. The ACR-1 dash remote (sold separately) allows the user to control the level of the low-frequency output.

AccuBASS™ :

Most factory speaker systems are not capable of loud, clean bass reproduction, all in order to "protect" the OEM Speakers. This is why many car manufacturers restrict bass frequencies at higher volumes. AudioControl's AccuBASS™ Bass Compensation circuit corrects the roll-off that occurs at high volume levels, delivering killer bass at all volumes! The AccuBASS circuit automatically engages at a preset volume level and reverses the factory bass roll-off to give you the music the way the artist intended it to be heard.

Internal Channel Summing:

The LC7i has the unique ability to internally sum together multiple (4 or 6) input channels from the factory source unit into 2 channels. This is particularly handy when using the LC7i with a factory system that has multiple, actively crossed-over signals being sent from the OEM source unit or amplifier(s). For example, in some vehicles, there is an actively crossed-over tweeter, midrange, and woofer all in the front of the vehicle. The LC7i lets you take all of those signals and sum them together to get a high-quality, full-range, pre-amp signal without the use of any additional cables or hardware.

GTO™ Signal-Sensing Inputs:

Most factory-installed source units lack the features that make it easy to upgrade with really good-sounding, performance aftermarket products. One of those key features is a 12-volt trigger that will turn on devices like the LC7i and your external amplifiers. Therefore, we have equipped your LC6i with our unique GTO™ (Great Turn-On) signal-sensing inputs. Once the GTO input of your LC7i detects a speaker-level signal on the Main Inputs, it powers up. When the speaker-level signal goes away, your LC6i will automatically turn off. Optionally, your LC7i is also equipped with a standard 12-volt trigger (Remote In) that will allow you to turn on your LC7i in the traditional manner.

AutoMode Inputs:

Sometimes in life (and car audio) we need more outputs than inputs. Therefore we have equipped your LC6i with AutoMode inputs that take the Channel 2 signal and automatically feeds it to the Channel 3 outputs, provided there is no signal present on the Channel 3 inputs. This means your LC7i will accept two input channels and give you four output channels. Or it can accept four input channels and give you six output channels.

12-Volt Output Trigger:

Since you will be using an external amplifier(s) and processor in your system, you will need the ability to "trigger" or turn on these devices (a romantic dinner won't quite work here). Your LC7i has a high-current 12-volt output (labeled Remote Out) that will provide a trigger to these remote devices when the LC7i is powered up. Please note that this output is not to be used as the main power for these devices.

$99.99 $149.99 $189.99 $249.99 $299.99 $399.99
Line Out Converter 2 Channel 6 Channel 6 Channel 8 Channel 6 Channel 6 Channel
High Level Inputs
Channel Summing
Remote Included
Auxiliary Input
Signal Delay
Input Level Control

General Features:

  • Six Input and Output Channels with AccuBASS
  • 6 Speaker Level Inputs - Can Accept 400 Watt Signals!
  • GTO (Great Turn-On) Circuit
  • Signal sensing inputs
  • Internal Channel Summing
  • AutoMode inputs
  • Level matching controls
  • 12 volt trigger output
  • Line Output Converter:
    • A device for converting a powered (or amplified) signal into a pre-amp line level (or non-powered) signal
  • Compact chassis allowing for ease of installation
  • Input for optional subwoofer level control: AudioControl ACR-1
  • Color: Black
  • Also available in Sierra White: AudioControl LC7I White
  • Weight: 3.0 lbs
  • Size: 7.50" W x 4.72" D x 1.22" H
  • Authorized Dealer
  • 5 Year Manufacturer's Warranty (*when installed by an authorized AudioControl dealer)

LC7i Specifications:

  • Maximum speaker-level input: 400 watts @ 4 ohms
  • Maximum output level: 8.5Vrms
  • Output gain: ±15 dB
  • Frequency response: 10Hz - 22,000 Hz
  • Total harmonic distortion: 0.01%
  • Input Impedance: 20 Kohms
  • Output Impedance: 150 ohms
  • Power supply: High headroom PWM switching
  • Power draw: 350mA
  • Recommended fuse rating: 2 Amp
  • Remote Trigger Ouput Current: 1 Amp

Check out the AudioControl LC7i Owner's Manual

Product history:

AudioControl LC7i Black thumbnail
(newest, current model)
AudioControl LC7i Gray thumbnail
(previous model, replaced by AudioControl LC7i - Black)

Specifications & Details

Line Out Convertor Specifications
Number of Channels
Frequency Response
10 - 22,000 Hz
Speaker Level Input Wattage/Voltage
400 watts
Preamp Output Voltage
12 volts
Line-Out Converter Features
Turn on Mode
Signal Sensing
Ground Isolation Options
200 ohms
Selectable Impedance Load
20, 60, 20k ohms
Remote Turn On Output
Remote bass/level controller
Optional (Accessory required and sold separately)
Warranty and Return Policy
Parts Warranty Duration
5 years
Labor Warranty Duration
5 years
Warranty Provider

Item Details


Model Number:

LC7i Black



Internal SKU:


Internal Product ID:


Product and How-to Videos

Customer Ratings & Reviews

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Customer Reviews

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AudioControl LC7i - Black

Made keeping my factory radio and adding an aftermarket amp install super easy. The accubass works like a charm. I used the 3rd set of output that has accubass on my front door 6x9 to give the a lil kick at low volume

By Anonymous on June 5, 2018


found this helpful.

Great product

I've added an amp to my factory Toyota deck. This LC7i made things easy and actually does help restore the bass you lose with many factory stereos. I'm very happy with this product. They offer a "bass knob" separately but I just used what came with my amp.

By Anonymous on September 9, 2019 Checkmark Icon Verified purchase


found this helpful.

AudioControl LC7i - Black

I recently upgraded to this unit from the LC6i because I needed the Accubass to restore the bass that the factory radio was attenuating at higher volume. It did exactly that and gave my subs the clean bass signal that they were meant to reproduce. The clarity and balance is amazing, coupled with the power of my amplifier my system is better than ever. If you must keep your factory system intact while adding power and aftermarket speakers and subs, this is the product to help you do it. Be sure to buy it from Sonic, I received mine as a gift someone bought from the Big Blue electronic store...I could have saved that person $70!

By Anonymous on July 6, 2018


found this helpful.

AudioControl LC7i

I highly recommend this product to anyone adding on to a factory headunit. You can definitely dial in your sound system and add RCA’s for your highs and bass.

By NIKOLAS on November 8, 2017 Checkmark Icon Verified purchase


found this helpful.

Works fine

Absolute must line driver for bass heads that have to keep stock radio.

By ASciv on July 17, 2022 Checkmark Icon Verified purchase


found this helpful.

By Anonymous Shopper on August 1, 2023


found this helpful.

A Must Have

Perfect for adding amplifiers to a factory head unit or aftermarket unit w/o RCA outputs. Installed this in a classic Chevy Impala with an old school replica radio that had no RCA outputs. Easy install, sounds great, no engine noise.

By Freddie on December 25, 2022 Checkmark Icon Verified purchase


found this helpful.

Works well

Bass sounds great and will be adding a 4 channel to test the summing. I recommend this device if you need to sub many signals to the RCA.

By Brandon on August 1, 2020 Checkmark Icon Verified purchase


found this helpful.

By Byran on October 1, 2023 Checkmark Icon Verified purchase


found this helpful.

By juan on January 14, 2024 Checkmark Icon Verified purchase


found this helpful.


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Easily adjust your subwoofer level while seated inside your vehicle



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