8-Channel Isolating Transformer, Completely passiv design, 8 Transformers to separate input and output signal grounds, Noises caused by ground loops are suppressed by separation of the two signal paths, In and outputs with XLR, 6.3 mm jack and RCA jacks, Mass separation of input and output signal reduces hum, Transformers with extremely linear frequency response and wide frequency range, Can be used for signal tapping or as a splitter, All-metal housing, Removable rack mount bracket. 19""/ 1U