Velleman k8055 is an USB board interface that allow MB STUDIO PRO to:
For more info see HERE
The MAYA44 EX sound card manufactured by ESI is a very good internal sound card highly recommended for use with MB STUDIO. It has 2 outputs (for example from MB STUDIO master output + pre-listening output or we can use the MULTICHANNEL OPTION). It has 2 inputs, for example to repeat audio from a satellite receiver or from external sources.