{"product_id":"digiyes-zk-mt21-bluetooth-power-amplifier-board-2-1-channel-50w-x-2-100w","title":"DiGiYes ZK-MT21 Bluetooth Power Amplifier Board | 2.1 Channel 50W x 2 + 100W","description":"\u003ch2\u003eUpgrade your audio with the DiGiYes ZK-MT21\u003c\/h2\u003e\n\u003cp\u003eTurn a simple speaker setup into a versatile listening space with the DiGiYes ZK-MT21. This compact power amplifier board blends wireless streaming, robust 2.1 channel output, and practical tone controls, making it a versatile choice for DIY projects and small home theaters.\u003c\/p\u003e\n\u003ch3\u003eWhat it is built for\u003c\/h3\u003e\n\u003cp\u003eThe ZK-MT21 pairs Bluetooth 5.0 with a 3.5mm AUX input, so you can feed audio from a smartphone, tablet, or compatible device. With a maximum output of 2x50W for the left and right channels and 100W for the subwoofer, it has the headroom to handle lively music and dynamic scenes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBluetooth 5.0 offers stable wireless playback and a generous range when there are no obstacles—up to about 49 feet.\u003c\/li\u003e\n  \u003cli\u003eDual top-level channels plus a dedicated subwoofer channel create a 2.1 configuration suitable for compact rooms.\u003c\/li\u003e\n  \u003cli\u003eBoost and trim your sound with bass, treble, subwoofer frequency, and master volume controls.\u003c\/li\u003e\n  \u003cli\u003eRugged protection includes short circuit, over-current, over-heat, and anti-reverse safeguards to help maintain safe operation.\u003c\/li\u003e\n  \u003cli\u003ePower input uses a copper DC connector and fence-type terminals designed to handle higher current with less heat buildup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSound shaping in practice\u003c\/h3\u003e\n\u003cp\u003eThe built-in tone controls let you refine the listening mood—from crisp highs for podcasts to warm lows for movie scenes. The subwoofer channel adds depth to music and effects, without needing separate gear.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjust volume and tone to match your room and speakers, making quiet nights or lively gatherings feel just right.\u003c\/li\u003e\n  \u003cli\u003eEasy integration with existing 6.5\" or 8\" drivers in the recommended impedance range, thanks to clear speaker matching guidance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cp\u003eWhether you’re assembling a DIY speaker, upgrading a stereo in a living space, or setting up a compact home theater, ZK-MT21 offers flexible inputs and straightforward setup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompact home theater amplification for a bookshelf setup.\u003c\/li\u003e\n  \u003cli\u003eGarage or workshop audio with Bluetooth streaming and reliable protection features.\u003c\/li\u003e\n  \u003cli\u003ePatio or small outdoor space with wireless playback from mobile devices.\u003c\/li\u003e\n  \u003cli\u003eDIY audio projects that require a robust 2.1 channel amp with tone controls.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey specs at a glance\u003c\/h3\u003e\n\u003cp\u003ePower: 2x50W + 100W sub, Input: Bluetooth 5.0 + 3.5mm AUX, Power: 12V–24V DC, Connectors: copper DC, 5.5mm x 2.1mm plug. Protection: short-circuit, over-current, over-heat, anti-reverse.\u003c\/p\u003e\n\u003cp\u003eNote: For optimal performance, keep the supply voltage under 22V to avoid triggering overvoltage protection, which could limit maximum output.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What inputs does the DiGiYes ZK-MT21 support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Bluetooth 5.0 and a 3.5mm AUX input offer flexible connection options.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What output power and speaker compatibility does it have?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Max outputs are 2x50W plus 100W for the sub; compatible with 4-8 ohm speakers, including 6.5\" and 8\" woofer configurations.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"DiGiYes","offers":[{"title":"Default Title","offer_id":48409826328733,"sku":"B0CW5ZF6FD","price":24.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9596\/1757\/files\/digiyes-bluetooth-power-amplifier-board-zk-mt21-front-view.jpg?v=1781198200","url":"https:\/\/nexoltic.com\/products\/digiyes-zk-mt21-bluetooth-power-amplifier-board-2-1-channel-50w-x-2-100w","provider":"Nexoltic","version":"1.0","type":"link"}