Cchair CSV delegate microphone unit is a new optional microphone unit for communication within the DIGIMIC discussion system. The Cchair CSV design is based on the Cmic. The lowest profile portable conference microphone unit on the market and winner of the prestigious 2011 if product design award. The two integrated loudspeakers provide balanced decentralized voice amplification to improve speech intelligibility, particularly in conference areas without a PA system. Each Cchair CSV is equipped with an amplified headphone socket and corresponding volume control.