כרטיס קול PreSonus Quantum 2 22X24 Thunderbolt   General Features   22×24 Thunderbolt™ ultra-low-latency audio interface PreSonus’ fastest interface; record direct to DAW (no DSP) Stack up to four Quantum interfaces via Thunderbolt for a monster system Assignable output level control 6 8-segment LED meters (4 input, 2 output)   Integrated Software   Tight integration with included Studio One® Artist DAW software (Mac®/Windows®) for multitrack music production and studio command features Wireless control over preamp levels from free UC Surface touch-control software for iPad® and Android™ tablet and from free Studio One Remote for iPad and Android tablet Wired control over preamp levels from free UC Surface touch-control software for Mac and Windows computers Compatible with most recording software for Mac and Windows Studio Magic Plug-in Suite included   Flexible Connectivity   Simultaneous I/O up to 22 inputs/24 outputs (at 44.1 or 48 kHz) 2 front-panel combo microphone/instrument inputs 2 rear-panel combo microphone/line-level inputs 4 XMAX remote-controllable, Class A mic preamps with individually switched 48V phantom power 4 balanced ¼” TRS line-level outputs Line outputs are DC coupled for sending control voltages for analog gear ADAT Optical/Dual SMUX inputs/outputs: 16×16 channels at 44.1 or 48 kHz; 8×8 channels at 88.2 or 96 kHz Stereo S/PDIF coaxial input and output 1 high-volume headphone output with dedicated volume controls   Digitalia   Thunderbolt high-speed bus 24-bit resolution and up to 192 kHz sampling rate Top-quality 120 dB A/D/A converters BNC word clock input and output with low-jitter clocking MIDI I/O on 5-pin DIN connectors   Physical   Road-rugged construction with all-metal chassis and metal knobs 12 VDC external power supply (included)