A notable feature of the 3000 Series is the ability to set a backup frequency, either manually or via group/channel, and assign it to the function button on the transmitter.
3000 Series - Line Series - Wireless Systems - Microphones
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2028 Vocal Condenser Microphone - Built for the stage & life on the road
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Audio Technica 3000 Series Wireless Microphone Review
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3000 Series (4th Generation) Overview
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Audio Technica 3000 Series (4th Gen) Wireless Microphones
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The Audio-Technica ATW-3212/C710DE2 3000 Series fourth generation is a frequency-agile, True diversity UHF wireless microphone system designed to give
Audio-Technica 3000 Series Wireless System Wireless Handheld Microphone System (ATW-3212/C710DE2)