{"id":9533216915693,"title":"PAM8403 2x3W Stereo Class D Amp Module 2.5-5.5V USB Mini Amplifier 6-Pack | 2.5-5.5V USB-powered mini amplifier with volume control for DIY portable speakers, Arduino, and Raspberry Pi projects","handle":"pam8403-2x3w-stereo-class-d-amp-module-2-5-5-5v-usb-mini-amplifier-6-pack-2-5-5-5v-usb-powered-mini-amplifier-with-volume-control-for-diy-portable-speakers-arduino-and-raspberry-pi-projects","description":"\u003ch3\u003ePAM8403 2x3W Stereo Class D Amp Module 2.5-5.5V USB Mini Amplifier 6-Pack | 2.5-5.5V USB-powered mini amplifier with volume control for DIY portable speakers, Arduino, and Raspberry Pi projects\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e◆ Mini Power, Big Sound for Your DIY Projects Upgrade your audio projects with\nthis 6-pack of PAM8403 Class D stereo amplifier boards. Each compact module\npacks 3W+3W dual-channel output into a tiny footprint, delivering clear,\nefficient sound without the heat — perfect for makers, hobbyists, and\nelectronics enthusiasts who need reliable amplification in tight spaces. ◆\nVersatile Applications for Makers \u0026amp; Builders ► DIY Portable Speakers — Build\ncustom Bluetooth speakers or powered speaker boxes with 3D-printed enclosures\n► Development Boards — Add quality audio output to Arduino, Raspberry Pi,\nESP32, and microcontroller projects ► Monitor \u0026amp; TV Sound Upgrade — Enhance the\nbuilt-in speakers of LCD monitors, laptops, projectors, and portable DVD\nplayers ► Gaming \u0026amp; Mobile Devices — Boost audio for game consoles, phone\nspeakerphones, and handheld entertainment systems ► STEM \u0026amp; Education —\nExcellent for electronics classrooms, robotics projects, and hands-on learning\nkits ◆ Technical Specifications Amplifier IC: PAM8403 Class D Output Power: 3W\n× 2 (at 5V, 4Ω load) Operating Voltage: DC 2.5V – 5.5V Efficiency: Up to 90%\u0026lt;\nGain: 24 dB (fixed) Speaker Impedance: 4Ω – 8Ω (4Ω recommended) Dimensions:\nApprox. 21mm × 18mm × 3mm Features: Onboard volume potentiometer, filterless\ndesign, low EMI, short-circuit protection, thermal shutdown ◆ What You Get ✔ 6\n× PAM8403 Mini Digital Amplifier Board with Volume Control ◆ Important Usage\nNotes Power supply voltage must not exceed 5.5V; reverse polarity will damage\nthe IC Left and right channel speaker outputs are independent — do not connect\nthe negative terminals together Connect speakers before applying power to\nprevent chip damage For cleanest sound, use a regulated 5V power source and\nkeep input wiring short Input pins: L (Left), R (Right), G (Ground) — LRG\nthree-wire input; ensure correct wiring before powering on ◆ Why Choose This\n6-Pack? Whether you are building one perfect speaker or prototyping multiple\ndesigns, having six boards on hand means you can experiment, iterate, and\nbuild without waiting. The PAM8403 remains the go-to choice for low-voltage,\nhigh-efficiency audio amplification in the maker community worldwide.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003e6-Pack Value Set Get six PAM8403 Class D stereo amplifier boards in one pack perfect for multiple DIY projects, classroom use, or spare replacements. Each board delivers 3W+3W dual-channel output at 4 load with up to 90% power efficiency, no heatsink required.\u003c\/li\u003e\n \u003cli\u003eWide Application Ideal for building custom portable speakers, upgrading LCD monitor\/TV\/projector sound, adding audio to Arduino and Raspberry Pi projects, powering portable DVD players, game consoles, phone speakerphones, and various 5V USB-powered audio setups.\u003c\/li\u003e\n \u003cli\u003eFlexible Power Options Operates on a wide 2.5V5.5V DC range easily powered via computer USB port, mobile phone charger, power bank, or 3.7V lithium battery. Filterless architecture with low quiescent current ensures clean, stable sound reproduction.\u003c\/li\u003e\n \u003cli\u003eCompact \u0026amp; Easy to Use Ultra-mini size fits tight enclosures and 3D-printed speaker boxes. Clearly labeled pins for L-R-G three-wire audio input (Left-Right-Ground), speaker output, and DC power. Onboard potentiometer allows convenient volume adjustment and power switching.\u003c\/li\u003e\n \u003cli\u003eVersatile Application Suitable for hobbyists and engineers building custom audio systems, DIY speaker enclosures, robotics, or embedded audio solutions.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-08-17T22:17:24+10:00","created_at":"2026-08-17T17:37:21+10:00","vendor":"AKEYSRC","type":"Amplifiers","tags":["electronics_NR_Aug2026"],"price":7700,"price_min":7700,"price_max":7700,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50497889861869,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"B0H4V2BJSH","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PAM8403 2x3W Stereo Class D Amp Module 2.5-5.5V USB Mini Amplifier 6-Pack | 2.5-5.5V USB-powered mini amplifier with volume control for DIY portable speakers, Arduino, and Raspberry Pi projects","public_title":null,"options":["Default Title"],"price":7700,"weight":9,"compare_at_price":null,"inventory_management":"shopify","barcode":"P305","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/leoforward.com\/cdn\/shop\/files\/B0H4V2BJSH.jpg?v=1786952244","\/\/leoforward.com\/cdn\/shop\/files\/71WMLF1qVSL.jpg?v=1786952244","\/\/leoforward.com\/cdn\/shop\/files\/614B8Z13VtL.jpg?v=1786952244","\/\/leoforward.com\/cdn\/shop\/files\/61cg1j8vz9L.jpg?v=1786952244","\/\/leoforward.com\/cdn\/shop\/files\/71e-ELnBYsL.jpg?v=1786952244"],"featured_image":"\/\/leoforward.com\/cdn\/shop\/files\/B0H4V2BJSH.jpg?v=1786952244","options":["Title"],"media":[{"alt":null,"id":41583108030701,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1254,"width":1254,"src":"\/\/leoforward.com\/cdn\/shop\/files\/B0H4V2BJSH.jpg?v=1786952244"},"aspect_ratio":1.0,"height":1254,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/B0H4V2BJSH.jpg?v=1786952244","width":1254},{"alt":null,"id":41583108063469,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71WMLF1qVSL.jpg?v=1786952244"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71WMLF1qVSL.jpg?v=1786952244","width":1600},{"alt":null,"id":41583108096237,"position":3,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/leoforward.com\/cdn\/shop\/files\/614B8Z13VtL.jpg?v=1786952244"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/614B8Z13VtL.jpg?v=1786952244","width":1600},{"alt":null,"id":41583108129005,"position":4,"preview_image":{"aspect_ratio":1.0,"height":1600,"width":1600,"src":"\/\/leoforward.com\/cdn\/shop\/files\/61cg1j8vz9L.jpg?v=1786952244"},"aspect_ratio":1.0,"height":1600,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/61cg1j8vz9L.jpg?v=1786952244","width":1600},{"alt":null,"id":41583108161773,"position":5,"preview_image":{"aspect_ratio":1.0,"height":1499,"width":1499,"src":"\/\/leoforward.com\/cdn\/shop\/files\/71e-ELnBYsL.jpg?v=1786952244"},"aspect_ratio":1.0,"height":1499,"media_type":"image","src":"\/\/leoforward.com\/cdn\/shop\/files\/71e-ELnBYsL.jpg?v=1786952244","width":1499}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003ePAM8403 2x3W Stereo Class D Amp Module 2.5-5.5V USB Mini Amplifier 6-Pack | 2.5-5.5V USB-powered mini amplifier with volume control for DIY portable speakers, Arduino, and Raspberry Pi projects\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e◆ Mini Power, Big Sound for Your DIY Projects Upgrade your audio projects with\nthis 6-pack of PAM8403 Class D stereo amplifier boards. Each compact module\npacks 3W+3W dual-channel output into a tiny footprint, delivering clear,\nefficient sound without the heat — perfect for makers, hobbyists, and\nelectronics enthusiasts who need reliable amplification in tight spaces. ◆\nVersatile Applications for Makers \u0026amp; Builders ► DIY Portable Speakers — Build\ncustom Bluetooth speakers or powered speaker boxes with 3D-printed enclosures\n► Development Boards — Add quality audio output to Arduino, Raspberry Pi,\nESP32, and microcontroller projects ► Monitor \u0026amp; TV Sound Upgrade — Enhance the\nbuilt-in speakers of LCD monitors, laptops, projectors, and portable DVD\nplayers ► Gaming \u0026amp; Mobile Devices — Boost audio for game consoles, phone\nspeakerphones, and handheld entertainment systems ► STEM \u0026amp; Education —\nExcellent for electronics classrooms, robotics projects, and hands-on learning\nkits ◆ Technical Specifications Amplifier IC: PAM8403 Class D Output Power: 3W\n× 2 (at 5V, 4Ω load) Operating Voltage: DC 2.5V – 5.5V Efficiency: Up to 90%\u0026lt;\nGain: 24 dB (fixed) Speaker Impedance: 4Ω – 8Ω (4Ω recommended) Dimensions:\nApprox. 21mm × 18mm × 3mm Features: Onboard volume potentiometer, filterless\ndesign, low EMI, short-circuit protection, thermal shutdown ◆ What You Get ✔ 6\n× PAM8403 Mini Digital Amplifier Board with Volume Control ◆ Important Usage\nNotes Power supply voltage must not exceed 5.5V; reverse polarity will damage\nthe IC Left and right channel speaker outputs are independent — do not connect\nthe negative terminals together Connect speakers before applying power to\nprevent chip damage For cleanest sound, use a regulated 5V power source and\nkeep input wiring short Input pins: L (Left), R (Right), G (Ground) — LRG\nthree-wire input; ensure correct wiring before powering on ◆ Why Choose This\n6-Pack? Whether you are building one perfect speaker or prototyping multiple\ndesigns, having six boards on hand means you can experiment, iterate, and\nbuild without waiting. The PAM8403 remains the go-to choice for low-voltage,\nhigh-efficiency audio amplification in the maker community worldwide.\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003e6-Pack Value Set Get six PAM8403 Class D stereo amplifier boards in one pack perfect for multiple DIY projects, classroom use, or spare replacements. Each board delivers 3W+3W dual-channel output at 4 load with up to 90% power efficiency, no heatsink required.\u003c\/li\u003e\n \u003cli\u003eWide Application Ideal for building custom portable speakers, upgrading LCD monitor\/TV\/projector sound, adding audio to Arduino and Raspberry Pi projects, powering portable DVD players, game consoles, phone speakerphones, and various 5V USB-powered audio setups.\u003c\/li\u003e\n \u003cli\u003eFlexible Power Options Operates on a wide 2.5V5.5V DC range easily powered via computer USB port, mobile phone charger, power bank, or 3.7V lithium battery. Filterless architecture with low quiescent current ensures clean, stable sound reproduction.\u003c\/li\u003e\n \u003cli\u003eCompact \u0026amp; Easy to Use Ultra-mini size fits tight enclosures and 3D-printed speaker boxes. Clearly labeled pins for L-R-G three-wire audio input (Left-Right-Ground), speaker output, and DC power. Onboard potentiometer allows convenient volume adjustment and power switching.\u003c\/li\u003e\n \u003cli\u003eVersatile Application Suitable for hobbyists and engineers building custom audio systems, DIY speaker enclosures, robotics, or embedded audio solutions.\u003c\/li\u003e\n \u003c\/ul\u003e"}