The MOTU 112D is a flexible digital audio interface, router, format converter, and stand-alone mixer with connectivity to your computer through ultra-fast Thunderbolt technology, AVB Ethernet, or class-compliant, high-speed USB 2.0 (also compatible with USB 3.0 and iOS). 112 Channels of Simultaneous Digital Audio I/O The 112D provides 24 channels of AES/EBU I/O, plus 24 channels of ADAT optical I/O. plus 64 channels of MADI I/O. That all adds up to 112 in and out, for 224 simultaneous channels
