This Studer card, part number A949.0427, offers four high - quality analog microphone and line inputs, great for audio setups.

To use this Studer microphone/line input card, first make sure your D21m Modular I/O System is powered off. Then carefully insert the card into the appropriate slot in the system. Once it's securely in place, you can connect your microphones or line - level audio sources to the four analog inputs. When using, keep the system in a cool and dry place to avoid overheating. Also, be gentle when plugging and unplugging audio cables to prevent damage to the inputs. For maintenance, regularly check for any dust or debris on the card and clean it with a soft, dry cloth. If you notice any performance issues, consult the Studer support team.