Ships today if you order in the next Ships today if you order in the next 10h 17m
Returns:
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Condition:
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D Debra Audio AU400 - 4 channel wireless microphone system. (Two set frequency point: A- 501/511.5/524/538.5 B-506/517.5/531/546.5). Do Not Disturb! - Squelch circuit usually analysis the intensity of the RF frequency channel instead of the noise and the needed signal.