Final answer:
The distinguishing feature of FCA's premium audio systems compared to its base audio system is the inclusion of Surround sound technology, which offers a more immersive audio experience not typically found in base models.
Step-by-step explanation:
The feature that distinguishes FCA's base audio system from its premium audio systems is B) Surround sound technology. While features like Bluetooth connectivity, touchscreen interfaces, and USB and auxiliary ports are commonly found across both base and premium audio options, surround sound is typically a hallmark of a more advanced, premium audio system. Premium audio systems aim to deliver a richer, more immersive listening experience, which is significantly enhanced by the incorporation of surround sound technology. This is not typically found in base audio systems, which offer more standard audio capabilities.
SUMUP of the final answer:
- Surround sound technology is the distinguishing feature.
- Premium systems offer a richer, more immersive listening experience.
- Base systems have more standard audio capabilities with common features like Bluetooth connectivity.