Dual iPlug S is a free multimedia application tailored for Android users to efficiently manage select Dual brand radios. This app offers versatile control by allowing users to switch between four distinct audio sources: Radio mode, USB mode, Bluetooth music mode, and AUX mode. Each mode provides unique functionalities to enhance the listening experience, such as scanning and storing radio stations in Radio mode or playing music from a USB flash drive in USB mode, complete with ID3 information display when available.

In addition to its source selection capabilities, Dual iPlug S includes essential audio control features. Users can adjust treble, bass, and overall volume levels, ensuring a personalized sound experience. The Bluetooth music mode facilitates seamless streaming from connected devices, offering basic playback controls for convenience. Overall, Dual iPlug S serves as a comprehensive tool for managing audio playback and enhancing the performance of compatible Dual radios.