Only ONE in stock! If you need to record 24 simultaneous inputs to your favourate recording software, Mark Of The Unicorn's 24I/O is a 24 input, 24 output audio interface for Mac or PC. Features balanced 1/4" connectors, precision front panel metering, Cuemix DSP for onboard low-latency monitoring, and word clock. Core system includes PCI-424 card and Audiodesk software. This awesome audio interface won't last long at THIS price!