Shure MXA310B Manual page 23

Shure Incorporated
For a table with a single microphone and more than 4 talkers, the toroid pattern to ensures that all voices are heard
equally.
Coverage With Multiple Microphones
For large tables, a series of microphones captures all talkers. Place the microphones in the center of the table for balanced
pickup and accurate aiming. For the best audio quality and clarity, use enough microphones so that each talker has their own
channel.
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