Instructions
Connect the microphone or headset to the PlayStation 3. Some microphones connect via USB, while others are wireless. Turn the system on.
Scroll left to the "Settings" menu. Scroll down and select "Audio Device Settings."
Scroll to and select "Input Device." Press the "Triangle" button to open an options menu.
Select "Settings." Choose the "Set Echo Canceler" option. This calibrates the microphone and eliminates the echo you hear.