{"product_id":"2-1-channel-bl-digital-power-amplifier-module-with-subwoofer-output-high-low-bass-adjustment-100w-50w-50w-high-fidelity-bluetooth-5-0-audio-board","title":"2.1 Channel BL Digital Power Amplifier Module with Subwoofer Output High Low Bass Adjustment 100W+50W+50W High Fidelity Bluetooth 5.0 Audio Board","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eApplication\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eHome Theater System, DIY Subwoofer, Active Speaker System, Soundbar DIY, Car Audio Modification, Karaoke System, Bookshelf Speakers\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBluetooth Version\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e5\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eWuzhi Audio\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eCE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2.1 (Left + Right + Subwoofer)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3 (2.1)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eControl Method\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ePush button\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eDimensions\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e93 x 90 x 22mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eFeature\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMT21 2.1 Channel Bluetooth Amplifier Board, 50Wx2 Stereo + 100W Subwoofer Output, Bluetooth 5.0 (15m Range), AUX + Bluetooth Dual Input, Independent Bass\/Treble Tone Control, Wide Voltage DC 12-24V, Compatible with 4-8Ω 20-100W Speakers, 500mV Input Sensitivity, Reverse Polarity\/Overheat\/Overcurrent\/Short Circuit Protection, Compact Size 93x90x22mm, High Fidelity Sound, Economical 2.1 Amplifier Solution\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eInput Interface\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBluetooth 5.0, AUX 3.5mm\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eLabel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2.1 Channel Amplifier Board,Bluetooth Amplifier Module,Subwoofer Amplifier Board,100W Subwoofer Amplifier,50Wx2 Stereo Amplifier,MT21 Amplifier,DC 12-24V Amplifier,HiFi Audio Board,MT21 2.1 Channel Bluetooth Amp,50Wx2+100W Subwoofer Amp,Bass Treble Tone Control,Economical 2.1 Amplifier,AUX Bluetooth 2.1 Amp,12-24V Wide Voltage Amp,4-8Ω Speaker Amplifier,Budget HiFi Amplifier Board\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMetal,others\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e50 W\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMT21\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eModel Number\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eZK-MT21\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eNumber of channels\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e3\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOutput Power\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e50W+50W+100W,50Wx2 (Stereo) + 100W (Subwoofer)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eParts\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eAmplifier board\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003ePower Supply\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eDC 12-24V \/ ≥5A\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eProtection\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eReverse Polarity, Overheat, Overcurrent, Short Circuit\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSpeaker Impedance\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e4-8Ω\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eSurround sound channel configuration\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eOthers\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eTone Control\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eBass\/Treble Independent Adjustment\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003e2.1 Channel Bluetooth Amplifier Board\u003c\/span\u003e\u003c\/p\u003e\u003cbr\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S29cd00f9d71e4b5590a123c58783d4d9P.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(22, 165, 165);font-size:20px\"\u003e\u003cstrong\u003eThe MT21 2.1-channel Bluetooth 5.0 amplifier board delivers powerful 100W subwoofer output and 50W×2 stereo output. Features independent bass and treble tone control for personalized sound, dual input modes (Bluetooth 5.0 + AUX), and wide voltage DC 12-24V support. Built-in reverse polarity, overheat, overcurrent, and short circuit protection ensures safe operation. Perfect for home theater systems, DIY subwoofer projects, soundbars, and karaoke setups.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(10, 69, 247);font-size:22px\"\u003e\u003cu\u003e\u003cstrong\u003eProduct Highlights:\u003c\/strong\u003e\u003c\/u\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e1. Made with high-quality materials for reliable performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e2. High cost-performance ratio: 100W+50W+50W Hi-Fi Bluetooth amplifier. Features a mature, stable design and pure sound quality—an economical choice for a 2.1-channel system!\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e3. Supports subwoofer + left\/right channels; includes subwoofer output and treble\/bass controls for an impressive, immersive audio experience.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e4. Exquisite design and easy to use.\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003e5. Wide range of applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(10, 69, 247);font-size:22px\"\u003e\u003cu\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/u\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eProduct Name: 2.1-Channel Bluetooth Audio Amplifier Module\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eModel: MT21\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eBluetooth Version: 5.0 (unobstructed range: 15 meters)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eInput Sensitivity: 500mV\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eInput Method: AUX + Bluetooth\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eChannels: 2.1\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eAmplifier Chip: Domestic amplifier chip\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003ePower Supply: DC 12–24V \/ 5A or higher (do not connect to 24V battery packs)\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eCompatible Speakers: 20–100W, 4–8Ω\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eOutput Power: Left\/Right Channels \u0026lt;50W; Subwoofer \u0026lt;100W\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eProtection Mechanisms: Reverse polarity, overheating, overcurrent, and short-circuit protection\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eDimensions: 93mm x 90mm x 22mm\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eWeight: Approx. 185g (including packaging)\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(255, 0, 0);font-size:22px\"\u003e\u003cu\u003e\u003cstrong\u003eNote: \u003c\/strong\u003e\u003c\/u\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eSufficient output power is achieved only when the audio input signal and power supply voltage\/current are adequate!\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eHigher supply voltage and lower speaker impedance result in higher output power! Please ensure the power supply's rating exceeds the amplifier's actual operating power!\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"color:rgb(10, 69, 247);font-size:22px\"\u003e\u003cu\u003e\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e\u003c\/u\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"font-size:18px\"\u003eAmplifier Board x1\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv\u003e\u003cimg class=\"wscnph\" src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8cc7933604774d9da2c20bf7d92bd09eA.jpg\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S436151220f7140fe81a66716f0d0603ej.png\" slate-data-type=\"image\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S49e21cfb72b54a9faefe85dbd8027c75Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S91e53053ef134cd396859a13cd851425d.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4be20057b87c47c5ae50d47a58a96c99M.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa272e507e8ef4069be74c9bfbf17e1c1U.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6162a795a8ce4e1983c59c64edebc261n.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8653ac1195c44a45b61b3a6f71f198adm.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S17740c458a1e4155b2dcc8b9aab1935af.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb308e7eca93248ff8b31c51ea4747c4bg.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S52e0dea0cc4d44e6962f68847f196aecd.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S84dc7a44c54c416187eae9c774c34cd8o.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S039d34a9a4d346bdba8057909c145f0fm.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8bf9f5a95aa8443984e1f7dfce695c83V.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sdeb2bee5aedd45da84b2fc58f58f06e6e.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S008fdabe370b4bbd90f1be6e0164132ax.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/See5d710aeb6d4cb5878b77d25c63594f9.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sc318b3b15f4042049a531379b2c8506d4.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S34edd5e61aa64af4987c26ca03af29f4O.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1160b91ce4f24f62939134143c9a6a95H.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S241436846df74349be4a83ee6c28cc2eL.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1e8b1839d2b64c04ae547a6f623cf280m.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Scce9ab5af6f04c44bb6a0c0d731153d3c.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Se8231b1c264b4fcfa7b2e1c838b10d732.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S120e9bdb9ca146a18c0bb3c42cb281b5w.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S52dde9e9e1d24914bad2afe86585b990a.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e","brand":"FLIPSTYLEZLLC","offers":[{"title":"ZK-MT21 \/ United States","offer_id":50154526015765,"sku":"14:-2;200007763:201336106","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/6452\/4309\/files\/S91e53053ef134cd396859a13cd851425d.webp?v=1788671521","url":"https:\/\/www.flipstylezfashions.com\/products\/2-1-channel-bl-digital-power-amplifier-module-with-subwoofer-output-high-low-bass-adjustment-100w-50w-50w-high-fidelity-bluetooth-5-0-audio-board","provider":"FLIPSTYLEZLLC","version":"1.0","type":"link"}