WHAT IS USB ? AND AUDIO SOUND CARD ?

External USB audio cards give a user better sound quality and results than a standard, on board sound card, in terms of performance. Usually external cards can provide better bit depth while recording. If you have never before tried  using an external USB sound card, you may have a few questions as to getting it properly set up and configured on your machine. With the right instruction, you too can make most out of your new audio device.