Lightweight and simple to use, with USB easy-to-operate connections and Quick Disconnect (QD) features so your team can easily switch between workstations. With built-in Digital Signal Processing and echo suppression for leading audio clarity, acoustic protection for your team, and enhanced controls to improve customer conversations. The DA Series takes management a step further-providing operational insights to improve personnel performance, processes and inventory tracking. INTELLIGENT BY DESIGN When you deploy softphones in your customer service center, Plantronics DA Series USB audio processors deliver a more complete audio experience by providing context for every call. The DA Series offers exceptional audio quality and control while helping you gain deeper insights, and meet OSHA and Noise at Work specifications. When combined with Plantronics Manager Pro, an additional service.