specification: - bus-powered operation - two combo xlr/trs mic/guitar inputs with preamps and 48v phantom power - six 24-bit 96khz analog trs inputs - ten 24-bit 96khz analog trs outputs - rca s/pdif in/out - midi i/o - headphone jack with volume control - main out volume knob - two 1394 firewire jacks manual mac: url manual win: url in perfect working order. i am based in paris.