The Logitech Group Expansion Microphones are an add-on accessory designed to enhance the audio coverage of Logitech’s GROUP video conferencing system in bigger rooms. Each set includes two expansion microphones that seamlessly plug into the speakerphone hub and are instantly recognized—no configuration required. Together, they extend the voice pickup diameter from approximately 6 meters (20 ft) to around 8.5 meters (28 ft), enabling clear voice capture for up to 20 participants.
Each expansion mic features a built-in mute button and an LED indicator that signals mute status, active calls, and Bluetooth pairing activity. They offer wideband mono audio with noise cancellation, ensuring excellent clarity even when attendees are seated farther from the speakerphone. Compact and lightweight at roughly 83 × 83 × 21 mm per mic, with integrated plug-and-play cables, these expansion microphones deliver reliable performance in medium to large meeting environments.
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