here's the problem: IF you have what's known as high latency, you hear a note way after you play or signal it, which is something you definitely want to avoid.high latency means it takes too long for the audio input to become audio output,so there's a lag time between the time you play a note and when you hear it. it A very small lag time of 3 to 6 milliseconds is tolerable (although not ideal), but anything beyong that creates everything from a phasing sound to a full echo,which maker it anywhere from distracting to impossoble to sing or play with.