How to set speaker as default microphone in windows 7?

Question

Windows

I want to prank a friend, and I have a question - how to make the speakers (speakers) be a microphone on win 7, and even by default, so that a friend does not hear me like in a regular microphone, but internal SOUNDS without third-party software on the seven?

Answer 1

We find the stereo mixer in the sounds
We make the device the default for communication
In the properties, select the speakers by default