DC 3.7V-12V LM386 Electret Microphone Power Amplifier Board Gain 200 Times for electret microphone amplification

DC 3.7V-12V LM386 Electret Microphone Power Amplifier Board Gain 200 Times for electret microphone amplification
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sku: 1005003908713250
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$2.68
Shipping from: China
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