$150 · 8-CHANNEL HUM ELIMINATOR

Very hard to find now. The internal high-quality transformers help kill ground loop hum in recording or live audio equipment (amps, mixers, etc.) Used these between my live/studio and control room, which were on two different power circuits - worked perfectly. Use balanced TRS or unbalanced TS cables. Can also be used to convert unbalanced to balanced signals. Asking $150 or offers.