ART DTI, Dual Transformer / Isolater, Hum Eliminator, Frequency response 10 Hz to 50 kHz, THD: 0.01%, 2 Channels, Inputs and unbalanced XLR balanced, TRS, RCA, Output as balanced XLR, jack unbalanced, RCA, Dimensions 44.5 mm x 107 mm x 89 mm, Weight 0.34 kg