A:AnswerNo this cannot mix or record. It is not a mixer. It is more of a mic preamp. You can connect 2 microphone inputs at once, and have the output connected to a mixer or recording device of your own, which can be used for recording purposes.
A:AnswerNo you cannot add your own. It has a few built-in sounds, which are I believe reproduced to sound like real known sounds that most people have heard.
Other than that, you can change your voice in pitch + or - 6 I believe.
