This Studer card, part number A949.0427, offers four high - quality analog microphone/line inputs for your D21m system.

To use this Studer card, simply insert it into your D21m Modular Input/Output System. Connect your microphones or line sources to the four analog inputs. When handling the card, make sure your hands are clean and dry to avoid any static damage. For maintenance, keep the card in a dust - free environment. If there are any signs of damage or poor performance, contact Studer's customer service.