{"id":52061,"date":"2026-09-04T12:31:44","date_gmt":"2026-09-04T12:31:44","guid":{"rendered":"https:\/\/siratek.net\/?post_type=product&#038;p=52061"},"modified":"2026-09-04T12:31:59","modified_gmt":"2026-09-04T12:31:59","slug":"pam8403-pam-8403-diy-5v-audio-sound-3w-3watt-mini-amplifier-module-kit-board-for-4-8-ohm-speaker-subwoofer-woofer-hifi-dual-2-channel-stereo","status":"publish","type":"product","link":"https:\/\/siratek.net\/index.php\/product\/pam8403-pam-8403-diy-5v-audio-sound-3w-3watt-mini-amplifier-module-kit-board-for-4-8-ohm-speaker-subwoofer-woofer-hifi-dual-2-channel-stereo\/","title":{"rendered":"PAM8403 PAM 8403 DIY 5V Audio\/Sound 3W\/3watt Mini Amplifier Module\/kit Board for 4\/8 Ohm Speaker Subwoofer\/woofer, Hifi Dual\/2 Channel Stereo"},"content":{"rendered":"<body><p>DIGITAL AMPLIFICATION: It is a small digital power amplifier chip, high-definition sound quality highlights the advantages of digital chips. Power filter, 1.6mm fiberglass sheet pcb, output 3W+3W high fidelity sound quality.<br>\n3 WATT OUTPUT : Can provide 3W (left channel) +3W (right channel) output power in the 4\u03a9\/8\u03a9 load and 5V power supply conditions.Excellent noise control,When there is no audio input, there is very less noise in the speaker.<br>\nINPUT VOLTAGE: ~5V A Unique non-LC filter Class-D digital power board You can use USB port of computers\/Laptop\/power bank to offer a 5V power supply to the amplifier board.<br>\nCRISP &amp; CLEAR : Class D amplifier efficiency is extremely high, and because the temperature don\u2019t affect the sound quality,there is no need to add heat sink and take less space. clear sound output, low noise, give you best hearing enjoyment of music.<br>\nAPPLICATIONS: Suitable for battery or portable electronics products, suitable for long time and steady usage. This is a good diy for audiophile and beginner audio enthusiast, you can make headphone, fm, tv amplifier, amplify the mic output also or small speaker like tweeter, woofers\/subwoofer also with low voltage requirement. Can be use with uca222, uca200 and lot more.<\/p>\n<\/body>","protected":false},"excerpt":{"rendered":"<p>DIGITAL AMPLIFICATION: It is a small digital power amplifier chip, high-definition sound quality highlights the advantages of digital chips. Power filter, 1.6mm fiberglass sheet pcb, output 3W+3W high fidelity sound quality. 3 WATT OUTPUT : Can provide 3W (left channel) +3W (right channel) output power in the 4\u03a9\/8\u03a9 load and 5V power supply conditions.Excellent noise &hellip; <a href=\"https:\/\/siratek.net\/index.php\/product\/pam8403-pam-8403-diy-5v-audio-sound-3w-3watt-mini-amplifier-module-kit-board-for-4-8-ohm-speaker-subwoofer-woofer-hifi-dual-2-channel-stereo\/\" class=\"more-link\">Read more<\/a><\/p>\n","protected":false},"featured_media":52063,"comment_status":"open","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false},"product_cat":[148],"product_tag":[913,912],"class_list":["post-52061","product","type-product","status-publish","has-post-thumbnail","product_cat-audio","product_tag-amplifier","product_tag-audio","first","instock","shipping-taxable","purchasable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PAM8403 PAM 8403 DIY 5V Audio\/Sound 3W\/3watt Mini Amplifier Module\/kit Board for 4\/8 Ohm Speaker Subwoofer\/woofer, Hifi Dual\/2 Channel Stereo - siratek<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/siratek.net\/index.php\/product\/pam8403-pam-8403-diy-5v-audio-sound-3w-3watt-mini-amplifier-module-kit-board-for-4-8-ohm-speaker-subwoofer-woofer-hifi-dual-2-channel-stereo\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PAM8403 PAM 8403 DIY 5V Audio\/Sound 3W\/3watt Mini Amplifier Module\/kit Board for 4\/8 Ohm Speaker Subwoofer\/woofer, Hifi Dual\/2 Channel Stereo - siratek\" \/>\n<meta property=\"og:description\" content=\"DIGITAL AMPLIFICATION: It is a small digital power amplifier chip, high-definition sound quality highlights the advantages of digital chips. Power filter, 1.6mm fiberglass sheet pcb, output 3W+3W high fidelity sound quality. 3 WATT OUTPUT : Can provide 3W (left channel) +3W (right channel) output power in the 4\u03a9\/8\u03a9 load and 5V power supply conditions.Excellent noise &hellip; Read more\" \/>\n<meta property=\"og:url\" content=\"https:\/\/siratek.net\/index.php\/product\/pam8403-pam-8403-diy-5v-audio-sound-3w-3watt-mini-amplifier-module-kit-board-for-4-8-ohm-speaker-subwoofer-woofer-hifi-dual-2-channel-stereo\/\" \/>\n<meta property=\"og:site_name\" content=\"siratek\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-04T12:31:59+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/siratek.net\/wp-content\/uploads\/2026\/09\/61Zqg3qbILL._SL1000_.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/pam8403-pam-8403-diy-5v-audio-sound-3w-3watt-mini-amplifier-module-kit-board-for-4-8-ohm-speaker-subwoofer-woofer-hifi-dual-2-channel-stereo\\\/\",\"url\":\"https:\\\/\\\/siratek.net\\\/index.php\\\/product\\\/pam8403-pam-8403-diy-5v-audio-sound-3w-3watt-mini-amplifier-module-kit-board-for-4-8-ohm-speaker-subwoofer-woofer-hifi-dual-2-channel-stereo\\\/\",\"name\":\"PAM8403 PAM 8403 DIY 5V Audio\\\/Sound 3W\\\/3watt Mini Amplifier Module\\\/kit Board for 4\\\/8 Ohm Speaker Subwoofer\\\/woofer, Hifi Dual\\\/2 Channel Stereo - 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