is this a Prototype of new Crown CM311 or custom-made?
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Amazon.com: AKG Pro Audio CM311 XLR Reference Head-Worn Condenser Microphone with XLR Connector : Everything Else
Amazon.com: AKG Pro Audio CM311 XLR Reference Head-Worn Condenser Microphone with XLR Connector : Everything Else
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Amazon.com: AKG Pro Audio CM311 XLR Reference Head-Worn Condenser Microphone with XLR Connector : Everything Else
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Crown CM311 AESH Headworn Microphone for Shure Wireless | Sweetwater
