The Buzz Off is a 2-channel audio hum and buzz remover. Everyone knows how annoying it is to have 60 cycle hum in your sound. Now you can eliminate virtually all ground hum and buzz by simply inserting the Buzz Off into the audio path. Plus, the unit will convert an unbalanced signal into a balanced signal, and vice-versa. This greatly improves overall noise performance. Eliminates ground loop hum and buzz Leaves signal grounds connected Passive, the unit requires no power Converts balanced lines to unbalanced lines and vice-versa Adjusts signal voltages to match difference in ground potential Frequency response: 20Hz to 70 kHz +/- .5 dB Distortion: < 0.005% THD @ 1 khz Crosstalk: > -97 dB Max source impedance: 1 K Ohm Min load impedance 10 K Ohm