Abstract: An audio processing device including multiple input receivers to receive input signals from multiple sources and a user interface that facilitates selection of audio source and associated parameters, amplification and processing of the chosen source or sources and an audio output, operably coupled to wired or wireless earphone, headset, or headphone to the end user. The enhanced user interface provided by a smartphone, or tablet device or other interface the user can choose one or more audio sources to be heard and enhanced with additional content or audio sources from a network or other secondary signal source.