Eliminates hum problems when connecting audio from your presentation computer source.

Version 2 – an update on this popular system, we have some new amazing transformers that give us a full audio bandwidth of 20Hz to 20Khz, still the same functions as eliminates hum problems when connecting audio from your presentation computer source. Hum can happen anywhere, you don’t have to be running your audio signal a long distance. Power supplies, fluorescent lights and all sorts of equipment can cause noise that is picked up by your audio input cables.