Radial Engineering StageBug SB-6, Stereo Isolator for balanced and unbalanced signals to eliminate buzz and humm caused of ground loops, linear from 20 - 20.000 Hz, 2x 6,3mm jack in, 2x 6,3mm jack out, switchable Gnd/Lift for both channels switchable Pad, switchable Phase for the left channel, hard metall housing