"Glyph Technologies used Linux and key open source audio software packages to build a personal monitoring system aimed at letting musicians create their own monitor mixes from local and networked audio sources. The GPM-216 runs a real-time Slackware implementation, and uses Jack, Alsa, and LADSPA software.
"Glyph is best-known for data storage products aimed at the digital audio recording and post-production industries. However, it formed a 'Music Gear, Inc.' (MGI) sister company in 2005, in order to branch out into the music recording and production markets, it says. The GPM-216 is the first product produced by Glyph's MGI sister company..."