{"product_id":"ca-tb21-2-1-channel-bluetooth-subwoofer-amplifier-board","title":"CA-TB21 2.1 Channel Bluetooth Audio Amplifier Board 2x50W + 100W","description":"\u003ch2 data-end=\"201\" data-start=\"137\"\u003eCA-TB21 2.1 Channel Bluetooth Subwoofer Amplifier Board 12–24V (2x50W + 100W)\u003c\/h2\u003e\n\u003cp data-start=\"191\" data-end=\"559\"\u003eThe \u003cstrong data-start=\"195\" data-end=\"254\"\u003eCA-TB21 2.1 Channel Bluetooth Amplifier Board\u003c\/strong\u003e is a powerful Class-D digital audio amplifier designed for DIY home speaker systems and subwoofer setups. Built around the reliable \u003cstrong data-start=\"387\" data-end=\"418\"\u003eTPA3116D2 amplifier chipset\u003c\/strong\u003e, this board delivers \u003cstrong data-start=\"440\" data-end=\"521\"\u003e50W + 50W stereo output for satellite speakers and up to 100W for a subwoofer\u003c\/strong\u003e, producing clear sound and deep bass.\u003c\/p\u003e\n\u003cp data-start=\"561\" data-end=\"915\"\u003eThe amplifier supports \u003cstrong data-start=\"584\" data-end=\"626\"\u003eBluetooth 5.0 wireless audio streaming\u003c\/strong\u003e, \u003cstrong data-start=\"628\" data-end=\"641\"\u003eAUX input\u003c\/strong\u003e, and \u003cstrong data-start=\"647\" data-end=\"663\"\u003eUSB playback\u003c\/strong\u003e, making it versatile for multiple audio sources such as smartphones, laptops, and media players. It features multiple \u003cstrong data-start=\"782\" data-end=\"849\"\u003econtrol knobs for volume, bass, treble, and subwoofer frequency\u003c\/strong\u003e, allowing precise sound tuning for the best listening experience.\u003c\/p\u003e\n\u003cp data-start=\"917\" data-end=\"1131\"\u003eDesigned for DIY audio projects and home theatre systems, the CA-TB21 amplifier board operates on a \u003cstrong data-start=\"1015\" data-end=\"1042\"\u003e12V–24V DC power supply\u003c\/strong\u003e, making it compatible with SMPS power supplies, battery systems, and DIY speaker builds.\u003c\/p\u003e\n\u003chr data-start=\"1133\" data-end=\"1136\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"1138\" data-end=\"1153\"\u003eKey Features\u003c\/h2\u003e\n\u003cp data-start=\"1155\" data-end=\"1771\"\u003e• Powerful \u003cstrong data-start=\"1166\" data-end=\"1213\"\u003e2.1 channel audio output (50W + 50W + 100W)\u003c\/strong\u003e\u003cbr data-start=\"1213\" data-end=\"1216\"\u003e• Built-in \u003cstrong data-start=\"1227\" data-end=\"1268\"\u003eBluetooth 5.0 wireless audio receiver\u003c\/strong\u003e\u003cbr data-start=\"1268\" data-end=\"1271\"\u003e• High-performance \u003cstrong data-start=\"1290\" data-end=\"1326\"\u003eTPA3116D2 Class-D amplifier chip\u003c\/strong\u003e\u003cbr data-start=\"1326\" data-end=\"1329\"\u003e• Dedicated \u003cstrong data-start=\"1341\" data-end=\"1384\"\u003esubwoofer output with frequency control\u003c\/strong\u003e\u003cbr data-start=\"1384\" data-end=\"1387\"\u003e• Independent \u003cstrong data-start=\"1401\" data-end=\"1446\"\u003ebass, treble, and volume adjustment knobs\u003c\/strong\u003e\u003cbr data-start=\"1446\" data-end=\"1449\"\u003e• Supports \u003cstrong data-start=\"1460\" data-end=\"1498\"\u003eAUX (3.5mm) and USB audio playback\u003c\/strong\u003e\u003cbr data-start=\"1498\" data-end=\"1501\"\u003e• Low distortion with high efficiency Class-D amplification\u003cbr data-start=\"1560\" data-end=\"1563\"\u003e• Built-in \u003cstrong data-start=\"1574\" data-end=\"1643\"\u003eover-voltage, under-voltage, short-circuit and thermal protection\u003c\/strong\u003e\u003cbr data-start=\"1643\" data-end=\"1646\"\u003e• Compatible with \u003cstrong data-start=\"1664\" data-end=\"1711\"\u003eDIY speaker systems and home audio projects\u003c\/strong\u003e\u003cbr data-start=\"1711\" data-end=\"1714\"\u003e• Compact design with \u003cstrong data-start=\"1736\" data-end=\"1771\"\u003eheat sink for efficient cooling\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1773\" data-end=\"1776\"\u003e\n\u003ch2 data-section-id=\"1cgu054\" data-start=\"1778\" data-end=\"1805\"\u003eTechnical Specifications\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=\"1807\" data-end=\"2430\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1807\" data-end=\"1836\"\u003e\n\u003ctr data-start=\"1807\" data-end=\"1836\"\u003e\n\u003cth data-start=\"1807\" data-end=\"1819\" data-col-size=\"sm\" class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1819\" data-end=\"1836\" data-col-size=\"md\" class=\"\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1867\" data-end=\"2430\"\u003e\n\u003ctr data-start=\"1867\" data-end=\"1896\"\u003e\n\u003ctd data-start=\"1867\" data-end=\"1875\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e\n\u003ctd data-start=\"1875\" data-end=\"1896\" data-col-size=\"md\"\u003eCA-TB21 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1897\" data-end=\"1941\"\u003e\n\u003ctd data-start=\"1897\" data-end=\"1914\" data-col-size=\"sm\"\u003eAmplifier Type\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"1914\" data-end=\"1941\"\u003eClass-D Audio Amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1942\" data-end=\"1972\"\u003e\n\u003ctd data-start=\"1942\" data-end=\"1959\" data-col-size=\"sm\"\u003eAmplifier Chip\u003c\/td\u003e\n\u003ctd data-start=\"1959\" data-end=\"1972\" data-col-size=\"md\"\u003eTPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1973\" data-end=\"2012\"\u003e\n\u003ctd data-start=\"1973\" data-end=\"1997\" data-col-size=\"sm\"\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd data-start=\"1997\" data-end=\"2012\" data-col-size=\"md\"\u003e2.1 Channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2013\" data-end=\"2069\"\u003e\n\u003ctd data-start=\"2013\" data-end=\"2028\" data-col-size=\"sm\"\u003eOutput Power\u003c\/td\u003e\n\u003ctd data-start=\"2028\" data-end=\"2069\" data-col-size=\"md\"\u003e50W + 50W (Stereo) + 100W (Subwoofer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2070\" data-end=\"2102\"\u003e\n\u003ctd data-start=\"2070\" data-end=\"2086\" data-col-size=\"sm\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd data-start=\"2086\" data-end=\"2102\" data-col-size=\"md\"\u003eDC 12V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2103\" data-end=\"2140\"\u003e\n\u003ctd data-start=\"2103\" data-end=\"2123\" data-col-size=\"sm\"\u003eBluetooth Version\u003c\/td\u003e\n\u003ctd data-start=\"2123\" data-end=\"2140\" data-col-size=\"md\"\u003eBluetooth 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2141\" data-end=\"2187\"\u003e\n\u003ctd data-start=\"2141\" data-end=\"2156\" data-col-size=\"sm\"\u003eAudio Inputs\u003c\/td\u003e\n\u003ctd data-start=\"2156\" data-end=\"2187\" data-col-size=\"md\"\u003eBluetooth, AUX (3.5mm), USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2188\" data-end=\"2219\"\u003e\n\u003ctd data-start=\"2188\" data-end=\"2208\" data-col-size=\"sm\"\u003eSpeaker Impedance\u003c\/td\u003e\n\u003ctd data-start=\"2208\" data-end=\"2219\" data-col-size=\"md\"\u003e4Ω – 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2220\" data-end=\"2289\"\u003e\n\u003ctd data-start=\"2220\" data-end=\"2236\" data-col-size=\"sm\"\u003eControl Knobs\u003c\/td\u003e\n\u003ctd data-start=\"2236\" data-end=\"2289\" data-col-size=\"md\"\u003eVolume, Bass, Treble, Subwoofer Volume, Frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2290\" data-end=\"2368\"\u003e\n\u003ctd data-start=\"2290\" data-end=\"2312\" data-col-size=\"sm\"\u003eProtection Features\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"2312\" data-end=\"2368\"\u003eOver-voltage, Under-voltage, Overheat, Short-circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2369\" data-end=\"2397\"\u003e\n\u003ctd data-start=\"2369\" data-end=\"2381\" data-col-size=\"sm\"\u003eCapacitor\u003c\/td\u003e\n\u003ctd data-start=\"2381\" data-end=\"2397\" data-col-size=\"md\"\u003e6800µF \/ 35V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2398\" data-end=\"2430\"\u003e\n\u003ctd data-start=\"2398\" data-end=\"2408\" data-col-size=\"sm\"\u003eCooling\u003c\/td\u003e\n\u003ctd data-start=\"2408\" data-end=\"2430\" data-col-size=\"md\"\u003eAluminium Heat Sink\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=\"2432\" data-end=\"2435\"\u003e\n\u003ch2 data-section-id=\"mu966k\" data-start=\"2437\" data-end=\"2452\"\u003eApplications\u003c\/h2\u003e\n\u003cp data-start=\"2454\" data-end=\"2729\"\u003e• DIY home theatre systems\u003cbr data-start=\"2480\" data-end=\"2483\"\u003e• Bluetooth speaker projects\u003cbr data-start=\"2511\" data-end=\"2514\"\u003e• Subwoofer amplifier systems\u003cbr data-start=\"2543\" data-end=\"2546\"\u003e• Car audio DIY builds\u003cbr data-start=\"2568\" data-end=\"2571\"\u003e• Workshop audio systems\u003cbr data-start=\"2595\" data-end=\"2598\"\u003e• Portable speaker systems\u003cbr data-start=\"2624\" data-end=\"2627\"\u003e• Desktop audio amplifiers\u003cbr data-start=\"2653\" data-end=\"2656\"\u003e• Electronics hobby projects\u003cbr data-start=\"2684\" data-end=\"2687\"\u003e• Educational audio electronics projects\u003c\/p\u003e\n\u003chr data-start=\"2731\" data-end=\"2734\"\u003e\n\u003ch2 data-section-id=\"1fmb8hm\" data-start=\"2736\" data-end=\"2750\"\u003ePrecautions\u003c\/h2\u003e\n\u003cp data-start=\"2752\" data-end=\"3059\"\u003e• Use \u003cstrong data-start=\"2758\" data-end=\"2792\"\u003eDC power supply only (12V-24V)\u003c\/strong\u003e – do not connect AC directly\u003cbr data-start=\"2821\" data-end=\"2824\"\u003e• Ensure correct polarity when connecting power\u003cbr data-start=\"2871\" data-end=\"2874\"\u003e• Use proper \u003cstrong data-start=\"2887\" data-end=\"2916\"\u003espeaker impedance (4Ω–8Ω)\u003c\/strong\u003e\u003cbr data-start=\"2916\" data-end=\"2919\"\u003e• Provide adequate ventilation for heat dissipation\u003cbr data-start=\"2970\" data-end=\"2973\"\u003e• Avoid short-circuiting speaker outputs\u003cbr data-start=\"3013\" data-end=\"3016\"\u003e• Do not exceed the recommended voltage range\u003c\/p\u003e","brand":"MakerBazar.in","offers":[{"title":"Default Title","offer_id":48918983246064,"sku":"2213105428","price":1549.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0088\/0056\/7392\/files\/CA-TB212.1ChannelBluetoothSubwooferAmplifierBoard.png?v=1772190829","url":"https:\/\/makerbazar.in\/products\/ca-tb21-2-1-channel-bluetooth-subwoofer-amplifier-board","provider":"MakerBazar.in","version":"1.0","type":"link"}