6-in/6-out USB Audio Interface with Tons of NI Content Greater resolution, more comprehensive I/O, and a sleek new tabletop design make the second-generation Native Instruments Komplete Audio 6 the perfect front end for your stage and studio performance setup. This 6x6 USB audio interface packs the connectivity, functionality, and tools you need to get stunning live and recording-environment results, all at a size that won’t hog space on your desk or in your mobile rig.