The Behringer MICROHD Hum Destroyer features a two channel design with 1/4" TRS balanced input and output connectors. The Behringer MICROHD quickly breaks ground loops safely whilst retaining the highest possible sonic quality. The MICROHD Hum Destroyer can also be used to convert unbalanced signals into balanced signals without any signal degradation. Designed to efficiently eliminate hum within two mono signals or one stereo signal the Behringer MICROHD HD400 is perfect for both live performance and studio recording applications.