The AVE VOX-HUM is a compact hum eliminator that removes 60/50Hz AC hum caused by ground loops from your audio chain. Ground loops occur when there are multiple ground points which can pick up stray current causing hum, noise, and interference. The VOX-HUM removes the hum from your audio chain with a 1:1 transformer coupling, which makes it impossible for your signal cable to pick up the AC hum and noise. The other benefit and use for the VOX-HUM is its ability to convert unbalanced signal to balanced, essential for professional audio. Easy to use with 2-channel design for Stereo connections, both with ¼” (6.3mm) Jack and 3-pin XLR connectors.