High-quality totally passive audio interface that uses eight transformers to separate input and output. signal grounds, thereby isolating two systems and reducing hum and ground-loop noiseFeatures: [ XLR, 6.3-mm jack, and RCA connections on all inputs and outputs [ Separate input and output signal grounds reduce hum [ Audio transformers have an extremely flat and wide frequency response [ Very clean and neutral sound with a wide variety of signal sources [ Can be used for signal taps or as a signal splitter [ 1U rack-mountable all-steel chassis [ Reversible rack-mount ears
