Musikelectronic Geithain presented a 5.1 surround system in a large room.  The system consisted of three ML 811K1 speakers for the left center and right channels, a pair of ME 804K speakers for the left and right surround channels and an Basis 14K subwoofer. Amplification was by RL-Amplifiers.  The multichannel source was from Merging Technologies, and consisted of the MERGING+NADAC, the MERGING+CLOCK with a MERGING+POWER power supply.