Instantly eliminate annoying hiss, hum, and buzz from your audio devices that lack the crucial important ground/earth connection with the iFi Groundhog+ ground control. Compatible with RCA, USB, spade, and 3.5mm Y-converter terminations, Groundhog+ connects with practically any system ranging from computer-audio setups to dedicated stereos to portable devices. Groundhog+ serves as a ground/earth control that shields interference and drains away distracting noise. If you touch a device and detect an increase in hum, hiss, or buzz, you're missing an earth control and need Groundhog+. Once installed in the audio chain, Groundhog+ increases resolution, restores midrange body, tightens bass, and enhances balance. Your entire listening experience will dramatically improve. Groundhog+ brings ground control to major hum.