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Rough road surfaces, tire treads, and chassis vibration are major sources of vehicle noise. Traditionally, carmakers use passive countermeasures to address these. Unfortunately, they all involve compromises, like added weight, diminished vehicle handling, and reduced efficiency. We looked beyond these traditional measures to find a high-performing solution – with fewer compromises. Our Road Noise Control (RNC) technology noticeably reduces road noise that interferes with your music, phone calls, conversations, or your peace and quiet. In the future, lighter cars and electric powertrains mean that road noise could become even more noticeable. We’re working toward a future where everyone can hear what matters most.
https://automotive.bose.com/technology-systems/active-sound-management