iFi iSilencer+, Type A to Type ADoes your USB audio system suffer from annoying background noise? Our new and improved iSilencer+ is a must if you want to enjoy vivid, open music. Enjoy the new silence. Connecting audio gear via USB can have pros and cons. While capable of passing hi res data at max resolution and allowing bit perfect transfer, USB was not created specifically for audio. It carries both power and data. It is susceptible to electrical noise, for example, from the