If you own Acura RDX and don't hear deep base sound from the OEM audio system, it might be the #anc Active Noice Cancelling feature that interferes with your audio system. In this video, I show you how to disable it through the Acura OEM audio head unit. In my own case, I can't hear the difference in audio sound quality between ANC ON and OFF. On other hand, it's good to know how to disable the ANC system in Acura RDX. By default, ANC will always be ON every time you start the engine. Therefor, you have nothing to lose by testing out this method to see if there is any difference in your own Acura RDX sound system. Best of luck!

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How Does Active Noise Cancellation Work?

Active noise cancellation is an in-vehicle system that helps reduce unwanted background noise. Most systems use microphones to monitor sound levels and frequencies. A processor takes that information and generates a separate signal with an inverted phase. The car's speakers then play that distinct sound, which interacts with existing sounds and partially or wholly cancels them out. Without getting too deep into the science, the resulting sound is either inaudible or less audible to the human ear.

Though they use parts of the stereo, active noise cancellation systems work regardless of whether the audio system is on. They are particularly useful for canceling or reducing sounds produced by the engine, tires, wind, and road. However, they do not hinder the driver's ability to hear exterior sounds, such as a siren or car horn.

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