2Pcs Dc 3V 12V 5V 6V 9V Lm386 Mini Audio Power Amplifier Board Mono Micro Amp Module 750Mw Adjustable Volume Car Speakers 1Mm) Is The Most Common

1Mm) Is The Most Common Size For Portable Amplified Speakers

100W Usb Power Delivery

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2Pcs Dc 3V 12V 5V 6V 9V Lm386 Mini Audio Power Amplifier Board Mono Micro Amp Module 750Mw Adjustable Volume Car Speakers 1Mm) Is The Most CommonThis Amplifier Module Is Based On The Classic Design Of The Chip Lm386, Strong Expansion Capabilities, But Also Has A Lot Of Novel Games Are Played: Audio Amplifier, Headphone Amplifier, Signal Amplification, Electret Pickup, Stealth Headphones A Variety Of Games Are Waiting For Diy Players Development. Parameters: 1. Operating Voltage: 3V 12V (Voltage Below 4V Will Significantly Reduce The Sound, The Maximum Can Not Exceed 15V); 2. Operating Current: