Poly DA75 USB-to-Headset QD Audio Processor (4 pin) (USB-A and USB-C)

The Poly DA75 USB Adapter is a compact, reliable, and future-ready solution that bridges Poly’s professional Quick Disconnect (QD) headsets with modern computers, ensuring crystal-clear communication and maximum compatibility. Designed with both USB-A and USB-C connectors on the same cable, it provides seamless plug-and-play versatility across a wide range of laptops and PCs without the need for additional accessories. With intelligent headset recognition, the DA75 dynamically optimizes audio performance for each connected headset, delivering professional-grade clarity for softphone calls, unified communications, and virtual meetings. Built-in Sound Guard Digital technology ensures users are protected against sudden loud noises and long-term exposure to harmful sound levels, making it a safe and dependable choice for professionals who spend hours on calls. Unlike some other adapters, the DA75 does not include inline controls, focusing instead on providing stable connectivity, lightweight portability, and intelligent audio management. Remote firmware updates via Poly Lens keep the adapter future-proof, ensuring compatibility as systems evolve. Compact, durable, and easy to use, the Poly DA75 is an essential tool for call centers, office professionals, and IT teams seeking a smooth transition from traditional headset setups to digital communications