The ADN-WD4 Wireless Delegate Unit and 19.7" Gooseneck with ME36 Hypercardioid Capsule by Sennheiser is for controlling delegate units in conference meetings. It is used in applications such as video conferencing, meeting rooms, boardrooms and more. It features 128-bit AES encryption and provides interference-free transmission in the 2.4 GHz and 5 GHz bands. It is built with a microphone key that functions either as an On/Off switch or as a Request-to-speak button.
The ADN-WD4 unit is built with a broadband twin loudspeaker system for decentralized sound reinforcement. A screw-on microphone socket is provided to connect an ADN-W gooseneck microphone. The unit offers more than 20 hours operating time with exchangeable ADN-W BA battery packs. This unit can be charged in the ADN-W case or using a separate power supply. Battery pack, gooseneck and microphone capsule are included. (Case is sold separately.)