Channels of I/O analog: 12 inputs / 8 outputs. Digital: 16 inputs / 16 outputs. Max sample rate/resolution: 384 kHz / 32-Bit. Host connection: 2 x thunderbolt (MDP) (thunderbolt 2). Analog I/O: 2 x combo XLR / 6,3 mm jack balanced/unbalanced Mic/Line/Hi-Z input, 2 x Combo XLR / 6,3 mm jack balanced Mic/Line input, 8 x 6,3 mm jack balanced Line input, 8 x 6,3 mm jack balanced Line output. Phantom power: + 48 V (selectable on individual inputs). Digital I/O: 1 x DB25 / AES/EBU (I/O) In/Out, 4 x TOSLINK / ADAT (I/O) In/Out, 2 x BNC (Word Clock) In/Out. MIDI I/O: 1 x 5-Pin MIDI In, 1 x 5-Pin MIDI Out. Sample rates: up to 384 kHz (AD/DA conversion). Bit depth: up to 32-Bit (AD/DA conversion). OS compatibility: macOS 10.11 or later. Processor requirement: Mac: Intel Core i5. RAM requirements: 4 GB (8 GB recommended). Storage requirements: 1,5 GB. Minimum display resolution: 1440 x 900. Required hardware: Thunderbolt Port (not included). Internet connection: required for software/driver download. Power requirements: AC/DC power adapter (Included). Rackmount size: 1 RU (with included hardware). Dimensions: 59,11 x 50,29 x 16,21 cm. Weight: 7,5 kg. Colour: Gray/Black