Dual Channel Transformer isolated de-coupler, for removing Ground loops and for use in applications where complete Galvanic isolation is required such as Broadcast feeds and remote recording. Mounted in a heavy duty all steel chassis, and available in a Double Header dual channel (IL-2) format. The unique Audibox Double Header format puts one channel on the front of the unit, and a second channel on the rear, putting two channels in the space of one! An ultra useful and convenient option. Needs no power.