{"product_id":"lm386-mono-amplifier-board-20x-gain-10k-adjustable-diy-module","title":"LM386 Mono Amplifier Board 20x Gain 10K Adjustable DIY Module","description":"\n\u003ch2\u003eLM386 Single Channel Audio Amplifier Board – 20x Gain, 10K Adjustable Volume\u003c\/h2\u003e\n\u003cp\u003eTake your DIY electronics projects to the next level with this compact \u003cstrong\u003eLM386 Mono Amplifier Module\u003c\/strong\u003e. Featuring a 20x gain circuit design and a 10K adjustable resistor for fine-tuned volume control, this versatile board is ideal for hobbyists, makers, and engineers building custom speaker systems, intercom circuits, radio receivers, and more.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOnboard LM386 Chip:\u003c\/strong\u003e Industry-trusted low-voltage audio amplifier IC renowned for stable, high-quality sound amplification and reliable performance across a wide range of applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e20x Gain Circuit Design:\u003c\/strong\u003e Delivers significant amplification of audio signals, producing louder and clearer output from small signal sources.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10K Adjustable Resistor:\u003c\/strong\u003e Onboard potentiometer lets you dial in exactly the amplification level you need — no external components required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeaker Terminal Block:\u003c\/strong\u003e Onboard terminal block makes connecting your speaker fast, secure, and solder-friendly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Indicator LED:\u003c\/strong\u003e Built-in LED confirms power status at a glance, keeping your build organized and easy to debug.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExposed Main Pins:\u003c\/strong\u003e All key LM386 chip pins are brought out to headers, allowing direct audio signal input and easy integration into breadboard or custom PCB layouts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e At just 41 × 14 × 14 mm (1.61 × 0.55 × 0.55 in), this board fits into tight enclosures and portable builds with ease.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Voltage:\u003c\/strong\u003e Compatible with 5V to 12V power supplies, making it suitable for Arduino, Raspberry Pi, and other microcontroller platforms.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM386\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGain\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20x (fixed circuit design)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVolume Control\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10K adjustable resistor (onboard)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V – 12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e41 × 14 × 14 mm \/ 1.61 × 0.55 × 0.55 in\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChannel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle (Mono)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LM386 Digital Mono Amplifier Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino \u0026amp; Raspberry Pi audio projects\u003c\/li\u003e\n  \u003cli\u003eDIY speaker amplifier circuits\u003c\/li\u003e\n  \u003cli\u003eIntercom and walkie-talkie builds\u003c\/li\u003e\n  \u003cli\u003eRadio receiver output stages\u003c\/li\u003e\n  \u003cli\u003eElectronics hobbyist and maker kits\u003c\/li\u003e\n  \u003cli\u003eEducational electronics prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Due to differences in monitor settings and lighting conditions, the actual product color may vary slightly from images. Please allow ±1–2 cm measuring deviation due to manual measurement.\u003c\/p\u003e\n\n\u003cp\u003eFor additional guidance on electronic component safety standards and best practices, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage does the LM386 amplifier module operate at?\u003c\/h4\u003e\n\u003cp\u003eA: The LM386 mono amplifier module operates on a DC supply voltage ranging from \u003cstrong\u003e5V to 12V\u003c\/strong\u003e, making it compatible with most microcontroller platforms including Arduino and Raspberry Pi.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the gain of this LM386 amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The board features a \u003cstrong\u003e20x gain circuit design\u003c\/strong\u003e. The onboard 10K adjustable resistor allows you to fine-tune the amplification level to suit your specific application, giving you flexible audio output control.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this amplifier module suitable for beginner DIY electronics projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The module is designed for ease of use — all key LM386 chip pins are pre-exposed on the board for direct audio signal input, and the onboard speaker terminal block simplifies connections, making it an excellent choice for beginners and experienced makers alike.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this board be used with an Arduino or Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The \u003cstrong\u003e5V–12V operating range\u003c\/strong\u003e and compact form factor make this LM386 amplifier module a great fit for Arduino, Raspberry Pi, and other microcontroller-based audio projects. Simply connect your audio signal input, power supply, and speaker to get started.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What voltage does the LM386 amplifier module operate at?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LM386 mono amplifier module operates on a DC supply voltage ranging from 5V to 12V, making it compatible with most microcontroller platforms including Arduino and Raspberry Pi.\"}}, {\"@type\": \"Question\", \"name\": \"What is the gain of this LM386 amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board features a 20x gain circuit design. 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