CCSD-DS
Bosch CCSD-DS Discussion device with short microphone, Discussion Device for the CCS 1000 D Digital Discussion System, supplied with a short‑stem fixed microphone, configurable as a participant device or a chairperson device, Microphone polar pattern : cardioid, Headphones socket, Request‑to‑speak indication, Built‑in volume control for headphones, Built-in loudspeaker with volume control.