As an isolation transformer, the IS02 is commonly employed in broadcast and live sound applications to eliminate line noise originating from stage power amplifiers or audio feeds to video systems. As a line level converter, it transforms unbalanced signals from devices such as CD players and tape decks into balanced signals for long-distance transmission. This dual channel isolator effectively removes hum from stereo signals, while the phase reverse switch (affecting Channel 2 only) and the audio transformer's roll-off below 150 Hz work together to reduce low-frequency hum, resulting in cleaner audio and simplified workflow.