iFi Audios new and improved iSilencer+ is a must if you want to enjoy vivid open music. Electrical noise on USB causes errors data loss and poor signal integrity. You will hear these as distortion – pops clicks and delays. The iSilencer+ solves all of this quickly and easily. It plugs directly into the USB port of your computer as a link between your computer and your DAC removing electrical noise both EMI and RFI at the source. Your music will seem clearer warmer and more transparent with improved bass.