Crown CM311AESH Headset Microphone Rico Another first is the Self-Refresh

Another first is the Self-Refresh Memory Backup battery for all factory and user PCM data

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Efficiency Bandwidth Product (EBP) 161

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Crown CM311AESH Headset Microphone Rico Another first is the Self-RefreshWhy you need the Crown CM311AESH Headset Microphone Designed for touring and live sound applications, the Crown CM 311AESH is a rugged head worn microphone with unequaled performance. It sounds like the best handheld microphones full, clear, and distortion free, even with the loudest singers. The CM 311AESH is the latest version of Crown's proprietary Differoid technology. Its cardioid pickup pattern rejects sounds from the rear, such as floor