Professional audio interface consisting of chassis + 8X8 I/O module with 8 Mic Preamps. Chassis features: see Symphony I/O MK II 2X6 SE DANTE. Connect-8X8MP module features: equipped with 8 balanced analog In with D-SUB 25 connector, 8 mic preamps with 72db gain, 8 balanced analog Out with D-SUB 25 connector, 8 balanced AES-EBU In and 8 balanced AES-EBU Out with D-SUB 25 connector (192 KHz compatible single wide), 2 optical In and 2 optical Out (8 channels ADAT at 44. 1-48 Khz, 8 SMUX channels at 88.2-96 KHz, 2 SPDIF channels at 96 KHz), Coaxial In and Out (2 SPDIF channels at 192 KHz), AES digital or optical I/O use selector. N.B. Thunderbolt cable not included. Check the manufacturer's site for minimum system requirements and currently supported Mac operating systems.