The DAC-90 is an audio de-embedder box that allows users to extract analogue audio signals from an SDI video signal. It can de-embed up to 16 audio signals at a time, with 4 mini XLR audio outputs available for connecting to various audio devices. The box automatically detects 3G, HD, and SD signals, supporting video formats up to 1080p/60. It also features switchable SMPTE and EBU audio levels, and the de-embedded audio signal can be assigned using the built-in DIP switches.