{"product_id":"st21pro-tpa3221-bluetooth-5-0-2-1-channel-power-audio-stereo-subwoofer-amplifier-board-100wx2-200w-treble-bass-note-tuning-amp","title":"ST21PRO TPA3221 Bluetooth 5.0 2.1 Channel Power Audio Stereo Subwoofer Amplifier Board 100WX2+200W Treble and Bass Tuning AMP","description":"\u003ch4\u003eSPECIFICATIONS\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eHIFIDIY LIVE\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCertification\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChannels\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003e3 (2.1)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eNone\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMaximum Power Per Channel\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eAbove 200W\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePackage\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eYes\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003esemi_Choice\u003c\/span\u003e: \u003cspan style=\"color: #333;\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2b196871353c40caac74f0a3f8e0096dw.jpg\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family: OpenSans; font-size: 20px; font-weight: 900; line-height: 28px; white-space: pre-wrap; color: rgb(0, 0, 0); margin-bottom: 12px;\" class=\"detail-desc-decorate-title\"\u003eProduct Feature：\u003c\/p\u003e\n\u003cp style=\"font-family: OpenSans; font-size: 14px; font-weight: 300; line-height: 20px; white-space: pre-wrap; color: rgb(0, 0, 0); margin-bottom: 12px;\" class=\"detail-desc-decorate-content\"\u003eThis is a 2.1-channel power amplifier with 5.2 Bluetooth function (no blocking signal within 10 meters), subwoofer + stereo function, which can adjust the subwoofer frequency and volume separately.\u003cbr\u003e\u003cbr\u003eSeparate adjustment of stereo channel treble frequency, bass frequency adjustment, volume control!\u003cbr\u003e\u003cbr\u003eST21 TPA3221 2.1 Channel digital power amplifier Bluetooth 5.2 100W*2+200W.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-family: OpenSans; font-size: 20px; font-weight: 900; line-height: 28px; white-space: pre-wrap; color: rgb(0, 0, 0); margin-bottom: 12px;\" class=\"detail-desc-decorate-title\"\u003eST21 TPA3221\u003c\/p\u003e\n\u003cp style=\"font-family: OpenSans; font-size: 14px; font-weight: 300; line-height: 20px; white-space: pre-wrap; color: rgb(0, 0, 0); margin-bottom: 12px;\" class=\"detail-desc-decorate-content\"\u003e1. Bluetooth version: 5.2 (without sunscreen, 15 meters)\u003cbr\u003e\u003cbr\u003e2. Output channel: 2.1 channel\u003cbr\u003e\u003cbr\u003e3. Chip model: TPA3221*2\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e1. Working mode: class D\u003cbr\u003e\u003cbr\u003e2. Static current: 60mA\u003cbr\u003e\u003cbr\u003e3. Work efficiency: 90%\u003cbr\u003e\u003cbr\u003e4. Audio input: support bluetooth, AUX analog signal, U disk \/ USB sound card\u003cbr\u003e\u003cbr\u003e5. MAX output power : 100W*2+200W\u003cbr\u003e\u003cbr\u003e6. Frequency response: 20Hz to 20KHz\u003cbr\u003e\u003cbr\u003e7. Working voltage: DC12V - 30V\u003cbr\u003e\u003cbr\u003e8. Recommended power voltage: DC24V\u003cbr\u003e\u003cbr\u003e9. Fit speaker parameters: 4-8 ohms\u003cbr\u003e\u003cbr\u003e10. Size: 112mm * 102mm * 28mm \u003cbr\u003e\u003cbr\u003e11. Net weight: about 245g\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Scbafe4b3b2a54e6d92aa06586dfb299dw.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1cc53c3a84da4fad88755ed40cc2b68eC.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0c6af9fd858745479b4ea7c077f6229e4.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S970ca91861884a3cbe1c5b6b3cfc53d2E.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6d28a7ce9b4540b28df3fe3379132d43C.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S2d5f6316dd384f5c889573bf12038e4c4.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1f1d39c13f934e56a83246e7b311566cD.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd0716b85d1bc49d2b25097d8c333383cN.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sb087c813d8a04650b62c1af00429a734K.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4e3bfec785464e4ca38d455d631a124cl.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S086ee14ef60745368bc7d1cf71e5b394M.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se14a48c769ce4259945f7361ca5f8f93I.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6d72d47a20bc4933a43182b5d479e5e2N.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8d775536e6d14f29b584f5a4647812800.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S545a16d55b8841479aa04f663561e578W.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S172efdf493eb420a9b14912230b7a896M.jpg\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"HIFIDIY LIVE Official Store","offers":[{"title":"ST21","offer_id":47960730075358,"sku":"1005007600700694-ST21","price":53.87,"currency_code":"USD","in_stock":true},{"title":"ST21-b","offer_id":47960730108126,"sku":"1005007600700694-ST21-b","price":49.62,"currency_code":"USD","in_stock":true},{"title":"ST21-c","offer_id":47960730140894,"sku":"1005007600700694-ST21-c","price":54.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/1053\/0782\/files\/S086ee14ef60745368bc7d1cf71e5b394M.webp?v=1772888409","url":"https:\/\/hemorium.com\/en-bg\/products\/st21pro-tpa3221-bluetooth-5-0-2-1-channel-power-audio-stereo-subwoofer-amplifier-board-100wx2-200w-treble-bass-note-tuning-amp","provider":"HemoRium","version":"1.0","type":"link"}