DFX Audio Enhancer is a plugin designed to enhance and improve audio quality. Unfortunately, I couldn't find any specific information on a preset called "105 Silent Portable" within DFX Audio Enhancer 11.
You're looking for a proper piece (or preset) for DFX Audio Enhancer 11. Specifically, you mentioned the "105 Silent Portable" preset. DFX Audio Enhancer 11 105 Silent Portable