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Welcome to our new Site We are adding some final touches. For other T-harnesses Options please visit T-harness.com. Thank you
Welcome to our new Site We are adding some final touches. For other T-harnesses Options please visit T-harness.com. Thank you

ANC bypasses ship for FREE

to the continental US

Creators of the ANC bypass Harness

What is ANC and why do you need to disable it?

What is ANC and why do you need to disable it?

Active-noise-cancelation(ANC) technology takes advantage of the vehicle's audio system to diminish unwanted noise generated by the engine. To reduce that noise, engineers use active acoustic control or ANC to generate noise-cancellation signals, which are played on speakers in the cars cabin. If this signal is processed by the aftermarket amp you will hear rumbling when engine is revving up or your subwoofers are picked up by the ANC microphones creating a back feed loop. In this situation the ANC must be bypassed.

LLJ ANC bypass harness

  When it comes to adding aftermarket equipment in todays modern rides you will come across ANC or Active Noise Cancelation. This is the process of introducing antiphase to the interior of the cab in an attempt to combat ambient road noise or wind noise. The main problem comes from adding low bass frequencies into your vehicle, that the ANC will pick up on. Our ANC bypass lets you wire in directly to the ANC module in the vehicle and disable the active noise cancelation microphones, thus bypassing the factory ANC. By bypassing the ANC in the vehicle you can go about your installation without having any feedback in your speakers.
 Failing to bypass your factory ANC will lead to a droning or "engine" noise into your audio system. If bypassing the ANC with a bypass is not an option then cutting the wires will also work! In most cases the ANC microphones will be pinned next to data wires so please make sure you have the correct pinout.
 LLJ Customs is the world's biggest designer and manufacturer of ANC bypass harnesses. Like all of our products, we aim to provide a quick and true solution. Some companies, in an attempt to steal our ideas, have decided to upcharge than to provide a product that does work correctly. Our harnesses are true to fitment and in what they bypass. No unwanted surprises. If you have questions please reach out to us.
 
Email: SUPPORT@ LLJCUSTOMS.COM
Text: 602-320-7004

Bose ANC bypass harness for 2013-2023 GM/GMC/Cadillac

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

Our Bose ANC bypass harness is the first in the world. We developed the Bose ANC bypass harness to disable the Bose ANC microphones in your vehi...

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RAM jeep ANC bypass harness 2018-2023

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
Out of stock

The RAM jeep Active Noise Cancellation, or ANC, in your vehicle is designed to pick up on low frequency road noise and cancels out any undesirable...

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GM/GMC ANC bypass harness (Select Vehicles) 2018-2023

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

Our GM/GMC ANC bypass harness works for vehicles without a Bose amp or a Factory amp. This ANC bypass harness plug in at the GM ANC module. We de...

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ANC bypass harness GMC vehicles W/ UQS,UQP,UQA,UQF RPO Code 2021-Up

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

This GMC Buick ANC bypass harness was designed for vehicles that have the factory Bose amplifier and an RPO code of  UQA,UQF,UQS,UQP. This chevy AN...

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Sync4 Ford ANC bypass harness 2020-up models

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

Our Ford Sync4 32 pin ANC bypass connectors will plug in between the the gray factory connector and the ford factory radio unit. Disabling the inpu...

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GM ANC bypass harness vehicles w/ IOU,UZ6 RPO Code 2021-Up

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

This GMC ANC bypass is for Vehicles with IOU,UZ6 RPO Code. The ANC module can be found under the center dash by the gas pedal.   GM/GMC 2020-2024 ...

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Cadillac CT6 ANC bypass harness 2020-2024

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

For Cadillac CT6 ANC ANC bypass harness. The amplifier will be located in the trunk of the car. This Cadillac ANC bypass harness is keyed and will ...

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Cadillac Bose ANC bypass harness with 12+ speakers w/ RPO UQG 2021-Up

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

Cadillac Bose ANC bypass harness is a must have in any Cadillac vehicle with Bose. The Cadillac ANC bypass harness will need to be installed at the...

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Lincoln/FORD ANC Bypass harness 2020-Up

LLJ Customs Car Audio Fabrication
Original price $15.00 USD - Original price $15.00 USD
Original price
$15.00 USD
$15.00 USD - $15.00 USD
Current price $15.00 USD
In stock

Our Ford ANC bypass Harness is the first of its kind and is the ideal solution for disabling the factory Ford/Lincoln ANC system allowing you to ad...

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Bose Loopback & ANC bypass installation

How Does ANC Work ?

  1. Microphones Placement: ANC systems typically employ multiple microphones strategically positioned throughout the vehicle. These microphones are usually placed in areas where they can effectively capture the ambient noise, such as the headliner, pillars, or door panels.
  2. Noise Analysis: The microphones continuously pick up sound waves from various sources, like engine noise, road noise, wind noise, and other low end sounds. These incoming noise signals are then analyzed by the system to identify their frequency, amplitude, and phase.
  3. Signal Processing: The Electronic Control Unit (ECU) or the central processing unit receives the data from the microphones and performs complex signal processing algorithms. These algorithms analyze the characteristics of the noise and generate a corresponding anti-noise signal.
  4. Anti-Noise Generation: The anti-noise signal is designed to be out of phase with the detected noise. This means that when the anti-noise signal combines with the original noise, they interfere destructively, effectively canceling each other out.
  5. Speaker Output: The anti-noise signal is then transmitted to the vehicle's speakers, which emit the anti-noise waves into the cabin. The speakers are strategically positioned to ensure optimal distribution of the anti-noise signal throughout the interior space.
  6. Cancellation Effect: As the anti-noise waves propagate through the cabin and interact with the original noise, they create zones of destructive interference. In these zones, the amplitude of the combined wave is significantly reduced, resulting in a quieter environment for passengers.
  7. Adaptive Control: Some advanced ANC systems utilize adaptive control algorithms that continuously monitor and adjust the anti-noise signal in real-time. These algorithms can adapt to changes in driving conditions, vehicle speed, and road surface, ensuring effective noise cancellation under various circumstances.
  8. Integration with Vehicle Systems: ANC systems may also integrate with other vehicle systems, such as the audio system or the infotainment system. This integration allows for seamless operation and control of the ANC system, providing drivers with the flexibility to adjust settings according to their preferences.