{"product_id":"mt21-2-1-channel-bluetooth-digital-amplifier-module-subwoofer","title":"MT21 2.1-channel Bluetooth digital amplifier module  subwoofer","description":"\u003cp\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eZK-MT21 2x50W+100W 2.1 Channel Subwoofer Digital Power Amplifier Board AUX 12V 24V Audio Stereo\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style='background-color:red;color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eBluetooth\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e-compatible 5.0 Bass Amp for Home Theater Speaker\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eFeature:\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eThe\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style='background-color:red;color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eBluetooth\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e-compatible audio power amplifier module has 2.1 channels and the maximum output power is 2X50W+100W.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eIt has two audio input modes, AUX and\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style='background-color:red;color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eBluetooth\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e-compatible, and a two-in-one power amplifier board.\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style='background-color:red;color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eBluetooth\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e-compatible5.0, higher transmission efficiency, longer transmission distance\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eIt has short-circuit protection, over-current, over-heating, and anti-reverse protection to prevent total failure. When an overload occurs, the device reports the fault condition to the processor to protect itself from damage\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eIt adopts copper DC connectors and barrier terminals. It can withstand high current without heating or damaging wires.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eClassic appearance multi-function main knob. The main knob adopts a rotary encoder that is only used in high-end power amplifiers, which realizes 360-degree stepless tuning and a smooth one-key start and stop. The operation is simple and convenient by long pressing the switch.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eWith bass, treble, subwoofer frequency and volume control, you can easily adjust the volume and enjoy the music tone you want. It is widely used in shopping malls, home theaters, speakers, etc.\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eSpecification:\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eProduct name: 2.1 channel\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style='background-color:red;color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eBluetooth\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e-compatible audio power amplifier module\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eProduct model: ZK-MT21\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='background-color:red;color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eBluetooth-compatible\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eversion: 5.0 (unobstructed, 15 meters)\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eInput sensitivity: 500mV\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eInput method: AUX+\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan style='background-color:red;color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eBluetooth\u003c\/span\u003e\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003e-compatible\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eNumber of channels: 2.1 channels\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003ePower amplifier chip: Domestic power amplifier chip\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eAdapter power supply: above DC12-24V\/5A (24V battery pack is not allowed)\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eAdapted speakers: 20-100W, 4-8Q\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eOutput power: left and right channels \u0026lt;50W; subwoofer \u0026lt;100W\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eProtection mechanism: Anti-reverse connection, overheating, overcurrent, short circuit protection\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eProduct size: 93mm*90mm*22mm\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eProduct weight: about 130g\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eNotice:\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eThe product can be connected with an external antenna, but does not include an antenna and an antenna base, please purchase it separately.\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eTip: Only when the audio input is enough and the power supply voltage\/current is enough, there will be enough output power!!!\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eThe higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power!!! Please make sure that the power of the adapted power supply is greater than the actual working power of the amplifier!!!\u003c\/span\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eNote:\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003eDue to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!\u003c\/span\u003e\u003cbr\u003e\n\u003cspan style='color:rgb(34, 34, 34);font-size:14px;font-family:\"TT Norms Pro\", \"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun'\u003ePlease allow 1-2cm measuring deviation due to manual measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cscript\u003ewindow.adminAccountId=2684113106;\u003c\/script\u003e","brand":"Cartoolshop","offers":[{"title":"Default Title","offer_id":47381545648295,"sku":null,"price":4.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0080\/7908\/1562\/files\/S3c7519baf2b3460381ce6b7d93a075f3m.webp?v=1764934894","url":"https:\/\/www.cartoolshop.com\/products\/mt21-2-1-channel-bluetooth-digital-amplifier-module-subwoofer","provider":"Cartoolshop","version":"1.0","type":"link"}