Glensound SPARK Sub Compact Single User CommentaryThe Spark is the most technically proficient commentary or announcers interface available, from such a small design. For applications where desk space is at a premium, but quality and features are still paramount, Glensound proudly introduce the Spark. Spark With single programme monitor input, and one master output Glensound Grade Mic Amp The Spark includes the highly regarded Glensound Grade mic amp system. This results in a clean audio input