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5Pcs Audio Amplifier Module Mono 18W Power AMP Board 6-12V with Volume Control

5Pcs Power Amplifier Board Module 18W Mono 6-12V with Adjustable Volume Control

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2* Adjustable Volume LM386 Mini Audio Power Amplifier Board DC3~12V Module E

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10Pcs Mini Audio Amplifier Module LM386 Mono Power AMP 200x Gain HiFi DIY Board