Caveat #1: I am in no way affiliated with iFi Audio (other than being a satisfied customer of their products). I purchased the iSilencer+ myself, I did not receive a review copy. Caveat #2: I am a scientist by nature (and profession), and therefore try to remain objective in this strange, dark land of audiophilia. I am well aware that snake oil products exist in abundance, but I remain open to trying new products/technologies/ideas. - - - - - - - - I use the iFi iDSD Nano Black Series as a DAC/amp combo at home, as well as a standalone DAC in my...