Card with 2 audio inputs with priority to be inserted in digital audio matrix (1 slot). With 2 independent inputs, one with RJ45 and the other with two connectors, RJ45 and XLR, potentiometer for audio level adjustment, possibility to pre-set the zones for each input, activated by priority contact or by VOX, signal of activated zones (acknowledge) that allows the synchronisation with external desks. Configurable sensitivity: AUX H (0 dB), AUX L (-20 dB), MIC (-60 dB). Speech filter for the microphone sensitivity.