The Sony MUC-M2BT1 makes your IEMs wireless. It's extremely convenient and it's range is very good. The Sony MUC-M2BT1 has it where it counts.
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Sony's new ECM-W2BT wireless microphone uses its Digital Multi
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Review: Sony MUC-M2BT1 Wireless Audio Receiver - don't forget your
Sony's new ECM-W2BT wireless microphone uses its Digital Multi
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Sony's new ECM-W2BT wireless microphone uses its Digital Multi