For when you need to mix a CD and a VCR's audio output with a synthesizer and the line output of a bass amp and send it all to a PC or cassette deck. If you are having trouble finding a solution to this dilemma then look no further than the ART MacroMIX. Connect an MacroMIX between your audio sources and the PC or cassette deck. Levels can be mixed and a headphone jack lets you monitor the mix. It's as easy as A,B,C,D & E