Preferences for the Exit System Preferences.Click the Input tab and select Yeti Stereo Microphone from Select a device to sound input.Click on the Output tab and choose the Yeti Stereo Microphone from Select a device to sound output.Click Apple menu -> System Preferences.Use the USB cable supplied to connect Yeti.Tip 10 – Test before you record or stream.Tip 9 – Use good headphones to monitor your audio.Tip 8: Get a pop filter or windscreen even better, get two.