The Twin-Iso provides a simple and professional way to remove hum and buzz from ground loops by inserting it between any two pieces of balanced audio equipment. It comes equipped with two premium Jensen transformers that deliver exceptional frequency response from 20Hz to 20kHz, with low distortion and the ability to handle high signal levels without saturation - ensuring that the signal integrity of your audio is always maintained. Connect the Twin-Iso between any line-level audio devices, including consoles, amp racks, remote towers, and recorders, and remove ground loops in an instant.