Most carmakers talk about horsepower, torque and range when they roll out new technology. Nissan is doing something much more personal by rethinking how music and sound are delivered inside its vehicles. The Japanese automaker has introduced a feature called Personalized Sound, a first-of-its-kind in-car audio system that tailors sound to the unique hearing profile of each driver.
Interestingly, this comes as Mercedes-Benz discontinues a similarly innovative feature — MBUX Sound Drive — that synced music playback with driving dynamics (accelerating, braking, cornering, etc.). The German automaker notified customers that the system would be turned off on December 17, 2025, effectively bringing to an end a feature that was marketed as an interactive audio innovation.
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