Why does the sound breakup when I am using SuperVoice as a speakerphone? FAQ156 You are able to adjust the settings for both the microphone and loudspeaker within the SuperVoice dialer. If you click on VOL button, the speaker volume slider will change to the microphone level slider. If the slider is set too high it will cause the audio to break up. Adjust the microphone level until you are able to talk without experiencing any breakup. Click to Go Back to choose a different category