{"product_id":"pam8403-3w-3w-mini-stereo-audio-amplifier-module-5v-class-d","title":"CAAV8403 PAM8403 3W+3W Mini Stereo Audio Amplifier Module – 5V Class-D Board","description":"\u003ch2 data-start=\"114\" data-end=\"172\"\u003e3W+3W Mini Audio Amplifier Module – 5V Class-D Stereo Board \u003c\/h2\u003e\n\u003cp data-start=\"186\" data-end=\"578\"\u003eThe \u003cstrong data-start=\"190\" data-end=\"236\"\u003ePAM8403 Mini Stereo Audio Amplifier Module\u003c\/strong\u003e is a compact \u003cstrong data-start=\"250\" data-end=\"285\"\u003eClass-D digital amplifier board\u003c\/strong\u003e designed to deliver \u003cstrong data-start=\"306\" data-end=\"331\"\u003e3W + 3W stereo output\u003c\/strong\u003e using a simple \u003cstrong data-start=\"347\" data-end=\"372\"\u003e3V–5V DC power supply\u003c\/strong\u003e. This small but powerful amplifier module provides \u003cstrong data-start=\"424\" data-end=\"483\"\u003ehigh efficiency, low noise, and clear sound performance\u003c\/strong\u003e, making it perfect for portable speakers, DIY electronics projects, and compact audio systems.\u003c\/p\u003e\n\u003cp data-start=\"580\" data-end=\"889\"\u003eBuilt with efficient \u003cstrong data-start=\"601\" data-end=\"637\"\u003eClass-D amplification technology\u003c\/strong\u003e, the PAM8403 can drive \u003cstrong data-start=\"661\" data-end=\"693\"\u003etwo stereo speakers directly\u003c\/strong\u003e without requiring a large heat sink. The board features \u003cstrong data-start=\"750\" data-end=\"811\"\u003elow EMI, thermal protection, and short-circuit protection\u003c\/strong\u003e, ensuring stable and reliable performance even in compact electronic designs.\u003c\/p\u003e\n\u003cp data-start=\"891\" data-end=\"1051\"\u003eIts ultra-small size makes it an excellent choice for \u003cstrong data-start=\"945\" data-end=\"1050\"\u003ebattery-powered devices, portable speakers, embedded audio systems, and electronics learning projects\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1053\" data-end=\"1056\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1058\" data-end=\"1073\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"1075\" data-end=\"1535\"\u003e• Compact \u003cstrong data-start=\"1085\" data-end=\"1128\"\u003e3W + 3W stereo Class-D amplifier module\u003c\/strong\u003e\u003cbr data-start=\"1128\" data-end=\"1131\"\u003e• Works with \u003cstrong data-start=\"1144\" data-end=\"1171\"\u003e3V – 5V DC power supply\u003c\/strong\u003e\u003cbr data-start=\"1171\" data-end=\"1174\"\u003e• High efficiency up to \u003cstrong data-start=\"1198\" data-end=\"1205\"\u003e90%\u003c\/strong\u003e\u003cbr data-start=\"1205\" data-end=\"1208\"\u003e• Clear sound with \u003cstrong data-start=\"1227\" data-end=\"1259\"\u003elow distortion and low noise\u003c\/strong\u003e\u003cbr data-start=\"1259\" data-end=\"1262\"\u003e• Can directly drive \u003cstrong data-start=\"1283\" data-end=\"1304\"\u003e4Ω or 8Ω speakers\u003c\/strong\u003e\u003cbr data-start=\"1304\" data-end=\"1307\"\u003e• \u003cstrong data-start=\"1309\" data-end=\"1330\"\u003eFilterless design\u003c\/strong\u003e for simplified circuit integration\u003cbr data-start=\"1365\" data-end=\"1368\"\u003e• Built-in \u003cstrong data-start=\"1379\" data-end=\"1410\"\u003ethermal shutdown protection\u003c\/strong\u003e\u003cbr data-start=\"1410\" data-end=\"1413\"\u003e• \u003cstrong data-start=\"1415\" data-end=\"1443\"\u003eShort circuit protection\u003c\/strong\u003e for safety\u003cbr data-start=\"1454\" data-end=\"1457\"\u003e• \u003cstrong data-start=\"1459\" data-end=\"1483\"\u003eLow EMI interference\u003c\/strong\u003e design\u003cbr data-start=\"1490\" data-end=\"1493\"\u003e• Ultra-compact and lightweight PCB module\u003c\/p\u003e\n\u003chr data-start=\"1344\" data-end=\"1347\"\u003e\n\u003ch2 data-start=\"1349\" data-end=\"1378\"\u003eTechnical Specifications\u003cbr\u003e\n\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMini Audio Amplifier Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier IC\u003c\/td\u003e\n\u003ctd\u003ePAM8403\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier Type\u003c\/td\u003e\n\u003ctd\u003eClass-D Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e2 Channel Stereo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e3W + 3W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeaker Load\u003c\/td\u003e\n\u003ctd\u003e4Ω \/ 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Gain\u003c\/td\u003e\n\u003ctd\u003e24 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003eUp to 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eShort Circuit, Thermal Shutdown\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Thickness\u003c\/td\u003e\n\u003ctd\u003e1.6 mm Fiberglass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e2.1 × 1.8 × 0.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~2 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"1750\" data-end=\"1753\"\u003e\n\u003ch2 data-section-id=\"aiob4k\" data-start=\"2104\" data-end=\"2122\"\u003ePin Description\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2124\" data-end=\"2379\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2124\" data-end=\"2145\"\u003e\n\u003ctr data-start=\"2124\" data-end=\"2145\"\u003e\n\u003cth data-start=\"2124\" data-end=\"2130\" data-col-size=\"sm\" class=\"\"\u003ePin\u003c\/th\u003e\n\u003cth data-start=\"2130\" data-end=\"2145\" data-col-size=\"sm\" class=\"\"\u003eDescription\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2167\" data-end=\"2379\"\u003e\n\u003ctr data-start=\"2167\" data-end=\"2199\"\u003e\n\u003ctd data-start=\"2167\" data-end=\"2171\" data-col-size=\"sm\"\u003eL\u003c\/td\u003e\n\u003ctd data-start=\"2171\" data-end=\"2199\" data-col-size=\"sm\"\u003eLeft Channel Audio Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2200\" data-end=\"2233\"\u003e\n\u003ctd data-start=\"2200\" data-end=\"2204\" data-col-size=\"sm\"\u003eR\u003c\/td\u003e\n\u003ctd data-start=\"2204\" data-end=\"2233\" data-col-size=\"sm\"\u003eRight Channel Audio Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2234\" data-end=\"2250\"\u003e\n\u003ctd data-start=\"2234\" data-end=\"2240\" data-col-size=\"sm\"\u003eGND\u003c\/td\u003e\n\u003ctd data-start=\"2240\" data-end=\"2250\" data-col-size=\"sm\"\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2251\" data-end=\"2283\"\u003e\n\u003ctd data-start=\"2251\" data-end=\"2261\" data-col-size=\"sm\"\u003eVDD (+)\u003c\/td\u003e\n\u003ctd data-start=\"2261\" data-end=\"2283\" data-col-size=\"sm\"\u003e3V–5V Power Supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2284\" data-end=\"2310\"\u003e\n\u003ctd data-start=\"2284\" data-end=\"2294\" data-col-size=\"sm\"\u003eVDD (-)\u003c\/td\u003e\n\u003ctd data-start=\"2294\" data-end=\"2310\" data-col-size=\"sm\"\u003ePower Ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2311\" data-end=\"2344\"\u003e\n\u003ctd data-start=\"2311\" data-end=\"2321\" data-col-size=\"sm\"\u003eL+ \/ L-\u003c\/td\u003e\n\u003ctd data-start=\"2321\" data-end=\"2344\" data-col-size=\"sm\"\u003eLeft Speaker Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2345\" data-end=\"2379\"\u003e\n\u003ctd data-start=\"2345\" data-end=\"2355\" data-col-size=\"sm\"\u003eR+ \/ R-\u003c\/td\u003e\n\u003ctd data-start=\"2355\" data-end=\"2379\" data-col-size=\"sm\"\u003eRight Speaker Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2381\" data-end=\"2384\"\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"2386\" data-end=\"2401\"\u003eApplications\u003c\/h2\u003e\n\u003cp data-start=\"2403\" data-end=\"2745\"\u003e• DIY portable speaker projects\u003cbr data-start=\"2434\" data-end=\"2437\"\u003e• Bluetooth speaker builds\u003cbr data-start=\"2463\" data-end=\"2466\"\u003e• Small stereo audio systems\u003cbr data-start=\"2494\" data-end=\"2497\"\u003e• Portable electronics audio amplification\u003cbr data-start=\"2539\" data-end=\"2542\"\u003e• FM radio audio amplifier\u003cbr data-start=\"2568\" data-end=\"2571\"\u003e• TV audio booster circuits\u003cbr data-start=\"2598\" data-end=\"2601\"\u003e• Microcontroller audio projects\u003cbr data-start=\"2633\" data-end=\"2636\"\u003e• Arduino and Raspberry Pi sound projects\u003cbr data-start=\"2677\" data-end=\"2680\"\u003e• Electronics learning kits\u003cbr data-start=\"2707\" data-end=\"2710\"\u003e• Battery-powered speaker systems\u003c\/p\u003e\n\u003chr data-start=\"2747\" data-end=\"2750\"\u003e\n\u003ch2 data-section-id=\"1fmb8hm\" data-start=\"2752\" data-end=\"2766\"\u003ePrecautions\u003c\/h2\u003e\n\u003cp data-start=\"2768\" data-end=\"3040\"\u003e• Use \u003cstrong data-start=\"2774\" data-end=\"2814\"\u003eregulated 3V–5V DC power supply only\u003c\/strong\u003e\u003cbr data-start=\"2814\" data-end=\"2817\"\u003e• Do not exceed \u003cstrong data-start=\"2833\" data-end=\"2853\"\u003e5V input voltage\u003c\/strong\u003e\u003cbr data-start=\"2853\" data-end=\"2856\"\u003e• Use compatible \u003cstrong data-start=\"2873\" data-end=\"2894\"\u003e4Ω or 8Ω speakers\u003c\/strong\u003e\u003cbr data-start=\"2894\" data-end=\"2897\"\u003e• Ensure correct polarity of power connections\u003cbr data-start=\"2943\" data-end=\"2946\"\u003e• Avoid a short circuit between speaker outputs\u003cbr data-start=\"2991\" data-end=\"2994\"\u003e• Keep the board away from moisture and dust\u003c\/p\u003e","brand":"MakerBazar.in","offers":[{"title":"Default Title","offer_id":48919080141040,"sku":"2213105454","price":19.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0088\/0056\/7392\/files\/Audio_Sound_3W_Mini_Amplifier_Module_kit_Board-MAKERBAZAR.png?v=1773036082","url":"https:\/\/makerbazar.in\/products\/pam8403-3w-3w-mini-stereo-audio-amplifier-module-5v-class-d","provider":"MakerBazar.in","version":"1.0","type":"link"}