Keep proven analog headsets in circulation as your collaboration stack moves to USB-based endpoints. The POLY MDA100 QD USB-A Analog Switch is built for organizations that want to extend the life of existing QD headsets while maintaining a clean connection to supported USB-A systems. For procurement teams, this adapter helps reduce unnecessary headset replacement and supports phased migration strategies. For IT, it simplifies endpoint standardization by creating a direct path between analog headset inventory and USB-A host devices. That means fewer stranded assets, less disruption for users, and a more controlled transition across desks, contact centers, and shared workspaces. This accessory is a strong fit when headset comfort, user training, and deployment consistency matter more than replacing hardware that still performs. It is especially useful in environments where teams need dependable audio access without overhauling the entire headset fleet. If your organization values compatibility, cost control, and operational continuity, this switch helps preserve both budget and momentum.