{"product_id":"pam8403-stereo-audio-amplifier-module-3w-3w-5v","title":"PAM8403 Stereo Audio Amplifier Module (3W+3W, 5V)","description":"\u003ch2\u003ePAM8403 Stereo Audio Amplifier Module (3W+3W)\u003c\/h2\u003e\u003cp\u003eBring powerful, clear stereo sound to your DIY audio projects with the PAM8403 amplifier module. Built around the popular PAM8403 Class-D amplifier IC, this compact black PCB delivers 3W per channel at 5V with minimal heat and excellent efficiency. Whether you're building a Bluetooth speaker, a desktop audio system, or an Arduino-powered music player, this module punches well above its tiny size.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIC:\u003c\/strong\u003e PAM8403 Class-D Stereo Amplifier\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e 3W + 3W (stereo)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 5V (USB or regulated supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficiency:\u003c\/strong\u003e Up to 90% — runs cool without a heatsink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSNR:\u003c\/strong\u003e \u0026gt;80dB for clean, low-noise audio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e L-IN (Left), R-IN (Right) — differential inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e L+ \/ L− (Left speaker), R+ \/ R− (Right speaker)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSW Pin:\u003c\/strong\u003e Shutdown\/standby control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGND \u0026amp; 12V:\u003c\/strong\u003e Power input pads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Compact black PCB with mounting holes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDIY Bluetooth and wireless speakers\u003c\/li\u003e\n\u003cli\u003eArduino \/ Raspberry Pi audio output\u003c\/li\u003e\n\u003cli\u003eDesktop mini amplifiers\u003c\/li\u003e\n\u003cli\u003ePortable battery-powered speakers\u003c\/li\u003e\n\u003cli\u003eHome audio and IoT sound projects\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lahore Store","offers":[{"title":"Default Title","offer_id":55803425783881,"sku":null,"price":240.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/9090\/2089\/files\/WhatsAppImage2026-07-11at9.08.05PM_2.jpg?v=1783790600","url":"https:\/\/lahorestore.pk\/products\/pam8403-stereo-audio-amplifier-module-3w-3w-5v","provider":"Lahore Store","version":"1.0","type":"link"}