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Agronomic Crops Network

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  1. Amplifier/Microphones

    https://ati.osu.edu/library/faculty-and-staff-resources/av-equipment/amplifiermicrophones

    rechargeable battery pack (inside amplifier), wireless handheld microphone, headset and lapel microphones, belt ... sound even in a noisy environment. Battery:  Rechargeable in amplifier, 9V in handheld microphone and in ...