Do I need a sound card for the Vestax VCI-100? What sound card is the best for beginners? There are a lot of unanswered questions about sound cards. So here is a short instructional guide that answers most of your beginning questions about DJing with sound cards, a laptop and/or the VCI-100. The VCI-100 is just a MIDI control. No sound of any kind will come out of it. This is a sound card 101 demonstrational video.