This Studer card (Part Number: A949.0427) offers four high - performance analog microphone/line inputs, ideal for your audio setup.

Using this Studer card is easy. First, make sure your D21m Modular I/O System is powered off. Then, carefully insert the card into the appropriate slot. Connect your microphones or line - level audio sources to the four analog inputs. When using, avoid exposing the card to extreme temperatures or humidity. For maintenance, keep it clean and dust - free. You can use a soft, dry cloth to gently wipe it every few months. If you encounter any problems, consult the user manual or contact Studer support.