Studer's part number A949.0427 offers four analog microphone/line inputs, providing high - quality audio input solutions.

To use this Studer mic/line in card, first, make sure your D21m Modular I/O System is powered off. Then, carefully insert the card into the appropriate slot. After that, you can connect your microphones or other audio sources to the four analog inputs. When using, avoid placing the card in a humid or dusty environment. For maintenance, clean the card gently with a soft, dry cloth every few months to keep it in good condition. Always power off the system before removing or inserting the card to prevent damage.