MOTU 828x 28x30 Thunderbolt / USB 2.0 Audio Interface 28 inputs and 30 outputs Thunderbolt technology High-speed USB 2.0 Up to 192kHz audio resolution Studio-grade mic channels On-board digital mixer with effects Stand-alone operation as a mixer Solid metal chassis Support for Mac OS X and Windows MIDI I/O built-in Analysis tools and oscilloscope Thunderbolt technology High-speed USB 2. Up to 192kHz audio resolution Studio-grade mic channels