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The Shure ADX400 is a dual-channel UHF wireless microphone system frequently used for live vocals, conferences, and presentations. It features a digital-analog hybrid design with wide compatibility and a focus on clarity. [1, 2, 3]
Key specifications for the system include:
Operating Frequency: Typically ranges from 640–690 MHz (UHF band with PLL synthesized tuning). [1, 2]
Working Range: Reliable coverage spanning 150–250 meters in open spaces (varies based on environmental interference). [1, 2, 3]