Instructions
Connect the Turtle Beach headset to the computer via the USB connection cable that came with the device.
Click the "Start" button in the computer's taskbar and select the "Control Panel" option. Click the "Sound" option to view the sound devices connected to the computer.
Click the "Playback" tab and double-click on the Turtle Beach USB headset icon.
Click the "Microphone" slider and drag the slider all the way to the left. This will disable the playback of your microphone through your headset's speakers.
Click the "OK" button to save the settings.