{"product_id":"ys-mt21-2-1-channel-audio-power-amplifier","title":"YS-MT21 2.1-Channel Audio Power Amplifier 50Wx2+100W Subwoofer BT5.0 Module","description":"\u003cp\u003eThe YS-MT21 is a 2.1-channel digital audio power amplifier module that delivers up to 2x50W to left and right speakers and under 100W to a subwoofer. It is for DIY speaker builders and home audio setups needing AUX and Bluetooth 5.0 wireless input with bass, treble, subwoofer frequency and volume controls.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.1-channel output\u003c\/strong\u003e – powers left and right speakers at under 50W each plus a subwoofer at under 100W.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 and AUX input\u003c\/strong\u003e – connects wirelessly up to 15 meters unobstructed or through a wired AUX connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound controls\u003c\/strong\u003e – adjust bass, treble, subwoofer frequency and volume with the multifunctional rotary encoder knob.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection circuits\u003c\/strong\u003e – reverse connection, overheat, overcurrent and short circuit protection help prevent damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC 12–24V power supply\u003c\/strong\u003e – works with a 5A or higher power supply; cannot connect to 24V battery packs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eYS-MT21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eChannels\u003c\/th\u003e\n\u003ctd\u003e2.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth version\u003c\/th\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput method\u003c\/th\u003e\n\u003ctd\u003eAUX + BT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003eDC 12–24V \/ 5A or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput power\u003c\/th\u003e\n\u003ctd\u003eLeft and right channels under 50W; subwoofer under 100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeaker impedance\u003c\/th\u003e\n\u003ctd\u003e4–8 ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeaker power range\u003c\/th\u003e\n\u003ctd\u003e20–100W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput sensitivity\u003c\/th\u003e\n\u003ctd\u003e500mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eReverse connection, overheat, overcurrent, short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eABS + metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003eApprox. 110 x 100 x 30 mm \/ 4.33 x 3.94 x 1.18 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable options\u003c\/th\u003e\n\u003ctd\u003eYS-MT21, YS-502MT, YS-TB21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 2.1 Channel BT Amplifier Board\u003c\/li\u003e\n\u003cli\u003e1 x Screwdriver\u003c\/li\u003e\n\u003cli\u003e1 x Connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIdeal for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDIY speaker projects\u003c\/li\u003e\n\u003cli\u003eHome theater audio systems\u003c\/li\u003e\n\u003cli\u003eMall and shop speaker setups\u003c\/li\u003e\n\u003cli\u003eCustom audio installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eDoes it work with 24V battery packs?\u003c\/h3\u003e\n\u003cp\u003eNo. It supports DC 12–24V power supplies but cannot connect to 24V battery packs.\u003c\/p\u003e\n\u003ch3\u003eWhat speakers can I connect?\u003c\/h3\u003e\n\u003cp\u003eSpeakers rated 20–100W with 4–8 ohm impedance.\u003c\/p\u003e\n\u003ch3\u003eDoes it have Bluetooth?\u003c\/h3\u003e\n\u003cp\u003eYes, Bluetooth 5.0 with an unobstructed range of up to 15 meters.\u003c\/p\u003e\n\u003ch3\u003eIs an antenna included?\u003c\/h3\u003e\n\u003cp\u003eNo. An external antenna and mount are supported but not included and must be purchased separately.\u003c\/p\u003e\n\u003ch3\u003eWhat protection does it have?\u003c\/h3\u003e\n\u003cp\u003eReverse connection, overheat, overcurrent and short circuit protection.\u003c\/p\u003e","brand":"ValueVista","offers":[{"title":"YS-MT21","offer_id":50953662758977,"sku":"CG-3256812283757830-1","price":27.99,"currency_code":"USD","in_stock":true},{"title":"YS-502MT","offer_id":50953662791745,"sku":"CG-3256812283757830-2","price":21.99,"currency_code":"USD","in_stock":true},{"title":"YS-TB21","offer_id":50953662824513,"sku":"CG-3256812283757830-3","price":47.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0862\/9328\/2881\/files\/img_7G8yK2rSs4z6HjV9z42ROrzU-jABBxalgSeUBFCRt1Y.webp?v=1794052133","url":"https:\/\/valuevista.store\/products\/ys-mt21-2-1-channel-audio-power-amplifier","provider":"ValueVista","version":"1.0","type":"link"}