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Audio-Technica ESW-T4101/831CH ESW Bodypack Transmitter With AT831CH Lavalier Microphone | Full Compass Systems
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Amazon.com: Audio-Technica AT831-SP Uni-Directional (Cardioid) Lapel Microphone with 3.5mm (1/8") miniplug Rotating Clip and windscreen, 48" Cable - Item #10474 : Musical Instruments
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