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The ADN-W C4 Wireless Chairperson Unit and 19.7" Gooceneck 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. Built with a microphone key that functions either as an On/Off switch or as a Request-to-speak button. A Next key to grant speaking privileges and a Priority key to deactivate all active conference units is also provided.
The ADN-W C4 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 mic capsule are included. (The case is sold separately.)
Over 20 hours operating time on Lithium-Ion battery packs
Next key / Priority key for controlling delegate units
3.5 mm headphone socket and headphone volume control
In the Box
Sennheiser ADN-W C4 Wireless Chairperson Unit and 19.7" Gooceneck with ME36 Hypercardioid Capsule
ADN-W Mic 36-50
Rechargeable Battery Pack
Limited 2-Year Warranty
Table of Contents
2.4 / 5.1 to 5.9 GHz
RF Output Power
25 to 100 mW
Built-in PCB antennas with pattern diversity
Max: 30 m / 100' to ADN-W AM antenna module
7.4 VDC via ADN-W BA battery pack
Approx. 4 hours
19.7" (50 cm) gooseneck with ME36 hypercardioid capsule
40 Hz to 20 kHz
16-bit / 32 kHz
1/8" (3.5 mm) stereo jack socket
Headphone Output Level
50 mW / 16 Ω
Approx. 20 hours with battery pack
41 to 113°F (5 to 45°C)
Operating Relative Humidity
20 to 80%
Dimensions (W x L x H)
7.3 x 7.1 x 2.6" (185 x 180 x 67 mm) without gooseneck microphone
2.07 lb (940 g) including battery pack Mic: 4.2 oz (119 g)
Sennheiser ADN-W C4 Wireless Chairperson Unit and 19.7" Gooceneck with ME36 Hypercardioid Capsule Review