{"product_id":"pam8403-bluetooth-5-stereo-amplifier-board-2x5w-dual-channel-diy","title":"PAM8403 Bluetooth 5.0 Stereo Amplifier Board 2×5W Dual Channel DIY","description":"\n\u003ch2\u003ePAM8403 Bluetooth 5.0 Stereo Amplifier Board — Crystal-Clear 2×5W Dual Channel\u003c\/h2\u003e\n\u003cp\u003eTake your DIY audio projects to the next level with this compact \u003cstrong\u003ePAM8403 Bluetooth 5.0 Audio Power Amplifier Board\u003c\/strong\u003e. Delivering crisp, distortion-free stereo sound at up to \u003cstrong\u003e5W per channel\u003c\/strong\u003e, this mini module is the perfect heart for custom wireless speakers, desktop audio builds, and electronics maker projects. Simply power it via USB (DC 5V), pair your device over Bluetooth 5.0, and enjoy room-filling stereo audio — no complicated wiring required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 Wireless Connectivity\u003c\/strong\u003e — Stable, low-latency pairing with phones, tablets, laptops, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePAM8403 Chip\u003c\/strong\u003e — Industry-trusted amplifier IC delivering ultra-clear, low-noise audio output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2×5W Dual-Channel Output\u003c\/strong\u003e — True stereo amplification for immersive, balanced sound\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight\u003c\/strong\u003e — 45×42×25 mm footprint and just 22 g make it easy to integrate into any enclosure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 5V Supply\u003c\/strong\u003e — Powers conveniently from any standard USB power source\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4× Signal Magnification\u003c\/strong\u003e — Amplifies even weak audio inputs to full, clear output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Mounting\u003c\/strong\u003e — Pre-drilled installation holes (38×35 mm spacing) for secure, tool-friendly integration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design\u003c\/strong\u003e — Ideal for makers, hobbyists, and electronics enthusiasts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eXH-A158 \/ PAM8403\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBluetooth Version\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eDC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e5W × 2 (Dual Channel)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eChannels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e2 (Stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMagnification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e4×\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e45×42×25 mm (1.77×1.65×0.98 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMounting Hole Spacing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e38×35 mm (1.5×1.38 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e22 g\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px;border:1px solid #ddd;\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eTroubleshooting Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBluetooth indicator not flashing normally?\u003c\/strong\u003e — A steady or irregular light may indicate a pairing issue. Try resetting the board and re-pairing your device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaptop won't connect?\u003c\/strong\u003e — If your phone connects fine but your laptop doesn't, update or reinstall your computer's Bluetooth drivers to restore compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSound distorts at high volume?\u003c\/strong\u003e — This can occur if the power supply is insufficient or the connected speakers are mismatched. Ensure your USB source provides stable 5V output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackground noise?\u003c\/strong\u003e — Some low-level hiss is normal in signal amplification. If noise is excessive, check your power supply quality and cable shielding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × PAM8403 Bluetooth 5.0 Audio Power Amplifier Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Colors may vary slightly due to monitor settings and lighting. Please allow ±1–2 cm measurement tolerance due to manual measurement.\u003c\/p\u003e\n\n\u003cp\u003eFor further reading on electronics safety standards for audio equipment, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Audio_power_amplifier\" target=\"_blank\" rel=\"noopener\"\u003eAudio power amplifier\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What speakers are compatible with the PAM8403 Bluetooth amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The PAM8403 amplifier board is designed for passive speakers (those without a built-in amplifier). It outputs up to 5W per channel, so it works best with small to medium passive speaker drivers rated at 4–8 ohms. Ensure your speakers' power handling matches the board's output to avoid distortion.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I power the PAM8403 amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The board operates on DC 5V, which can be supplied via a standard USB power adapter, a USB power bank, or any regulated 5V DC source. Make sure your power supply can deliver sufficient current (at least 1–2A recommended) for stable, clean audio output.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this amplifier board with both Android and iOS devices?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The Bluetooth 5.0 connectivity is universally compatible with Android smartphones, iPhones, tablets, Windows laptops, and most other Bluetooth-enabled devices. Simply enable Bluetooth on your device, search for the board, and pair to start streaming audio wirelessly.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this board suitable for beginner DIY electronics projects?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The compact design, standard mounting holes, and simple DC 5V power requirement make this board very beginner-friendly. It's a popular choice for custom speaker enclosures, desktop audio stations, and maker projects requiring stereo wireless audio amplification.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What speakers are compatible with the PAM8403 Bluetooth amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PAM8403 amplifier board is designed for passive speakers (those without a built-in amplifier). It outputs up to 5W per channel, so it works best with small to medium passive speaker drivers rated at 4–8 ohms. Ensure your speakers' power handling matches the board's output to avoid distortion.\"}}, {\"@type\": \"Question\", \"name\": \"How do I power the PAM8403 amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The board operates on DC 5V, which can be supplied via a standard USB power adapter, a USB power bank, or any regulated 5V DC source. Make sure your power supply can deliver sufficient current (at least 1–2A recommended) for stable, clean audio output.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this amplifier board with both Android and iOS devices?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! The Bluetooth 5.0 connectivity is universally compatible with Android smartphones, iPhones, tablets, Windows laptops, and most other Bluetooth-enabled devices. 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It's a popular choice for custom speaker enclosures, desktop audio stations, and maker projects requiring stereo wireless audio amplification.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PAM8403 Bluetooth 5.0 Stereo Amplifier Board 2×5W Dual Channel DIY\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/pam8403-bluetooth-5-stereo-amplifier-board-2x5w-dual-channel-diy\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Default Title","offer_id":48746821451968,"sku":"\u003cnone\u003e","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/S94897aea0f744a698ea5851f395adad6K.webp?v=1786195367","url":"https:\/\/vueselect.com\/products\/pam8403-bluetooth-5-stereo-amplifier-board-2x5w-dual-channel-diy","provider":"Vue","version":"1.0","type":"link"}