MDA400 QD Series advanced audio processors combine with compatible Plantronics headsets and Plantronics Manager Pro software-as-a-service that is sold separately to let you do both. Get the insights you need to maximize efficiency and deliver an exceptional customer experience.Gain insights. Deliver resultsThe more analytics you have about your customer conversations the better positioned your company is for success. With the MDA400 QD series of audio processors Plantronics compatible headsets and Plantronics Manager Pro software-as-a-service you can act on insights from our analysis suites. These insights can help you maximize efficiency and improve processes.Seamlessly connect with customersMDA400 QD Series makes it easy for CSRs to seamlessly switch from desk phone to softphone and back at the touch of a button. Echo and noise cancellation features allow increased focus on the customer and more productive conversations.Freedom to moveWith the easy-to-use MDA400 QD Series CSRs can switch from desk phone to softphone at the touch of a button move from desk to desk easily with the quick disconnect feature and monitor call status instantly with visual and audio indicators.- Advanced audio processing- Easy-to-use switch- Headset call control- Works with Plantronics QD and digital headsets- Precision audio- Intuitive in-line call controls