LE-12HD - Accepts 12 Auto-detect (HD/SD-SDI/PAL/NTSC) video inputs. 16 channels of embedded audio per video. 32 GPI for tally/presets. RS232 for 3rd party interface. 30 internal presets. Supports AXP API. Built-in CATx extenders. Outputs up to 1600x1200 / 1920x1080 / 1920x1200 / 2048x1080 at 50/60Hz