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Amazon.com: Ardest 200 Times Gain LM386 Audio Amplifier Amplitude Module Board with Adjustable Resistance Control Potentiometer for Arduino Raspberry Pi or Musical Projects(Pack of 5) : Electronics
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Amazon.com: Oiyagai 5PCS 200 Times Gain 5V-12V LM386 Audio Amplifier Module for Arduino EK1236 : Electronics
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