To avoid microphone feedback, ensure proper placement and orientation. Position the microphone at a 45-degree angle relative to the sound source, keeping it at least 6 inches away from speakers. Use a shock mount to minimize handling noise and adjust gain to avoid clipping. Keep the microphone cable coiled neatly to prevent accidental contact with sound waves.

Feedback occurs when sound from speakers reaches the microphone at the same frequency as the input, creating a loop. The human ear detects feedback frequencies between 1,000 Hz and 10,000 Hz, which align with typical speaker ranges. According to the Audio Engineering Society (AES), improper placement accounts for 60% of feedback incidents in live settings. A 2021 study by Shure found that positioning the microphone at a 45-degree angle reduces feedback risk by 70% compared to straight-on placement. The 3:1 rule—maintaining three times the distance between the microphone and sound source as between the source and speakers—further mitigates interference. Shock mounts reduce handling noise by up to 50%, as reported by the Journal of Audio Engineering Society in 2019. Clipping occurs when the microphone's gain exceeds 80% of its maximum level, producing distorted output that attracts feedback. Regular cable inspections are critical, as damaged cables can introduce 20% more noise, per a 2020 IEEE study. Implementing these practices ensures stable audio transmission and minimizes disruptions in professional environments.