Feedback- That high pitched squeal that makes everyone cringe and leaves the person who is using the microphone wondering what they did wrong. Ideally you need to be speaking directly into the microphone or within 2-3 inches. If you are using a wired microphone and need to look around the room keep in mind the microphone is not moving with you and shift your body rather than your head to keep your mouth in ideal range for microphone use. If the person using the microphone moves their head away or they have a quiet voice the disc jockey is not able to correct this. The lower the voice signal the lower output will be heard by listeners. There is the possibility of creating feedback if the volume has to be increased so proper handling is essential.

Another source of feedback is position of the microphone relative to the speakers and amplifier. You have the potential for feedback when the microphone is pointed directly at the speakers. This is caused by sound from the speakers going into the microphone and being reamplified and sent through the speakers again and again. Thus creating a loop which happens so quickly it has its own frequency which in turn we hear as that high pitched squeal. By avoiding pointing the microphone at the speakers, which often happens when passing the microphone over, or positioning yourself between the microphone and the speakers you eliminate the chance for a loop to occur. When you maintain the ideal range and a strong clear vocal signal is being received it also gives the disc jockey the ability to tune the volume to help minimize the impact of the feedback.