[Powerful Amplification] The lm386 power amplifier chip allows for adjustable magnification between 20 and 200 times, for driving small power horns and compatible with electret microphones.
[Noise Suppression Technology] Support gnd grounding and vcc connections to 2.4-5vdc, with excellent power supply noise suppression for optimal performance using a 3.3v power supply.
[Durable Design] Constructed with abs material, this amplifier module is impact-, scratch-, and eco-friendly for long-term use.
[Wide Voltage Range] Working voltage range of dc 4v-12v ensures versatile functionality in various setups.
[Convenient Packaging] Each package includes 5pcs of amplifier modules, providing ample replacements and convenience for multiple uses.
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