The term refers to the process of replacing or enhancing the factory-installed audio system in a Toyota Tundra manufactured in 2019. This can involve swapping out speakers, adding amplifiers, installing a new head unit (receiver), incorporating a subwoofer, or integrating digital signal processors (DSPs) for improved sound quality. An example would be replacing the standard speakers with aftermarket components designed for enhanced clarity and bass response within the vehicle.
Such modifications offer a multitude of potential advantages. Drivers and passengers may experience significantly improved audio fidelity, greater volume capabilities, and a more immersive listening experience. Historically, factory audio systems have often been designed with cost efficiency in mind, leading owners to seek aftermarket solutions for superior sonic performance and modern feature sets, such as smartphone integration and advanced audio processing.