Lourspeaker Polarity Tester
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RK5991N Microphone Polarity Tester
RKM591N Microphone Polarity Tester inogona kusiyanisa piritsi rakanaka uye isina kunaka yerudzi chero ripi zvaro, size, zvinhu, kutadza kwemusoro, iyo inofamba coil inogamuchira otomatiki uye nekukurumidza.
Kuyera prose upamhi: 0.4ms