TH5991 3 pluse levels 0.2s High-speed Speaker/Microphone Polarity Tester
1)max.sensitivity<=25cm
2)Impulse width-Approx.0.4ms
Port: shenzhen
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 1000 Piece/Pieces per Day
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
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TH5991 3 pluse levels 0.2s high-speed Speaker/
Microphone Polarity Tester free shippig