Presonus Quantum, Thunderbolt 2 Audio Interface, 26 Inputs, 32 Outputs, Very low latency <1 ms, Audiophile 24 bit digital converter with 120 dB dynamic response, Up to 192 kHz sampling rate, Inputs: 2x XLR Combo (Mic / Line / Instr.), 6x XLR Combo (Mic / Line), 8 XMAX Class A microphone preamplifier (ON <-131 dB, THD + N <0.005%), Perfect integration in DAW ""Studio One 3"" (including gain control), DC-coupled line outputs allow driving (CV / gate) of analog components (synths, filters, etc.) out of DAW, Remote control and programmable via Mac, PC, iPad and Tablet (via ""UC Surface""), Included control software / app ""UC-Surface"": Setting and storing pre-gain (gain), 48 V Phantom Power on / off, Realtime Analyser, Front-panel talkback microphone with push-button, Next / Prev button plus gain control, 48 V button (phantom power) with status light, Dim / Mute and Mono buttons with status light, 8 LED chains (8-segment plus 48 V-LED) for the analog inputs, 2 LED chains (8-segment) for the main output (L / R), 8 Balanced DA outputs (each TRS jack 6.3 mm), Separate balanced main output (L / R 2 TRS jack 6.3 mm) with large front-side volume control, 2 Headphone output (stereo headphone 6.3 mm) with 2 separate volume control knobs, 16x16 ADAT I / O (48 kHz) or 8x8 Dual SMUX I / O (96 kHz), S / PDIF I / O (coaxial), Word Clock I / O (BNC), MIDI I / O (5-pin DIN), Up to 4 Quantum can be cascaded via Thunderbolt, Power supply: external power supply (12 VDC), Dimensions (W x D x H): 483 x 140 x 45 mm, Weight: 2.3 kg, Includes control software/app ""UC-Surface"" (for download) and DAW software Studio One Artist + Studio Magic plugin suite (for download)@+*System requirements:*@+@+, Thunderbolt 1 or 2 port (motherboard of the computer must support Thunderbolt), Internet connection (to register and download software), Monitor resolution: 1366 x 768, 30 GB free disk space, Hard disk with 7200 RPM or faster (strongly recommended), OS X 10.11.6 or later, Windows 10 64 bit, Intel Core i5 or faster, 4 GB of RAM (8 GB or more recommended), Mobile (UC Surface): iOS 9.3 or later, Android 5.0 (Lollipop) or later