Logitech Group Expansion Microphones for Video & Audio Conferencing Add-on mics for larger groups SUPERIOR SOUND IN LARGE ROOMS Logitech Expansion Microphones extend the range of the GROUP video conferencing system and comfortably allow up to 20 people to collaborate in one large room. Participants no longer need to huddle around the speakerphone. HEAR UP TO 28 FEET GROUP Expansion Mics feature a voice pickup range up to 28 feet (8.5 meters), so everyone’s voice can be heard. Simply plug the microphones into the GROUP speakerphone—they are automatically recognized and configured. HEAR UP TO 28 FEET GROUP Expansion Mics feature a voice pickup range up to 28 feet (8.5 meters), so everyone’s voice can be heard. Simply plug the microphones into the GROUP speakerphone—they are automatically recognized and configured. EASILY MUTE CALLS A microphone mute button lets those at the far end of the table mute the entire speakerphone system. The indicator light shows when the microphone is muted, when a call is active, and when Bluetooth® wireless pairing has begun. Dimensions Expansion Mics Height x Width x Depth: 83 mm x 83 mm x 21 mm Weight: 230 g System Requirements Logitech GROUP Technical Specifications Connection Type: Plug-and-play Indicator Lights (LED): LED to confirm video streaming, microphone mute, on-hold, and Bluetooth pairing. Microphone Type: Mono, wideband, noise canceling Buttons / Switch: Microphone mute Cable length: 2.4 m Package Contents Two expansion microphones Warranty Information 1-Year Limited Hardware Warranty Part Number PN 989-000171

Product Features

Extended Audio Pickup for Large Rooms

Designed for medium to large conference rooms, these expansion mics increase the audio coverage range, ensuring all participants are heard clearly.

Omnidirectional Microphones for 360° Coverage

Each mic captures clear audio from all directions, allowing natural conversations without the need for speakers to raise their voices.

Advanced Noise Cancellation & Echo Reduction

Built-in RightSound™ technology filters out background noise, reduces echo, and enhances voice clarity, ensuring professional-quality audio.

Mute Button with Status Light

Each expansion mic features a convenient mute button with an LED indicator, allowing participants to mute/unmute their audio with ease.

Seamless Plug-and-Play Connectivity

Simply connect the expansion mics to the Logitech GROUP speakerphone, and they work instantly—no additional software or setup required.

Designed for Large Meeting Spaces

Ideal for conference rooms with more than 10 participants, providing extended reach and improved communication without compromising on sound quality.