Mac 5: Editing and Cerevoice capture- Adobe Audition on Mac 5 can be used for digesting all the outputs from the Mackie mixer for final edit. In addition it can receive direct input from the K6 system. It can also be used to capture CerevoiceChris from Word to Audacity.

Mac 4: Midi sequencing (exclusive digital connectivity to Mackie) – Mac 4 uses Ardour for midi connectivity to the midi chain – It can also be used to connect to TC Helicon

Mac 3 Midi processing. Mac 3 only used for the Yamaha XG Editor and connects directly to the MAudio interface.

The only use of Protools, available on Mac4 and Mac 5, is for the audio to midi converter.