Audio on Linux
energyXT2 supports the Jack | Audio Connection Kit for low latency multi-channel audio recording and playback on Linux.
Because many Linux distributions doesn't have Jack server/client pre-installed, you need to compile Jack client support for energyXT2 manually. Check your Linux package manager for available Jack server support.
Download Jack client source code for energyXT2 here. The source file contains information on how to build with g++ compiler.