Plantronics DA40 USB Adapter – Wideband Audio
The DA40 adapters work with all Plantronics H-series headsets—including the latest wideband models—to deliver outstanding audio quality, reliability and a choice of wearing styles. The DA40 adapter is the most economical enterprise-class solution available.
- Wideband audio support provides clear, natural speech and lower listener fatigue.
- Quick Disconnect™ (QD) capability allows the headset to detach without losing the call.