The introduction of the 9780Z5 driver has had a profound impact on the PSA XS series, elevating its performance to new heights. The driver has enabled the system to deliver an even more detailed and immersive sound experience, with improved dynamics, frequency response, and accuracy. The 9780Z5 driver has also allowed Porsche's audio engineers to further refine the system's signal processing algorithms, resulting in an even more cohesive and engaging soundstage.