{"product_id":"hifi-zk-tb22-zk-tb21f-tpa3116-50w-50w-100wbluetooth-5-1-audio-bass-power-amplifier-board-stereo-tweeter-subwoofer-with-phone-app","title":"HIFI ZK-TB22\/ZK-TB21F TPA3116 50w+50w+100wBluetooth 5.1 Audio Bass Power Amplifier Board Stereo Tweeter Subwoofer With Phone APP","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003ediymore\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\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\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eVoltage Regulator\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eProduct selling point\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e1: Stereo and subwoofer\u003c\/p\u003e\u003cp\u003e2: Adjust the volume separately:\u003c\/p\u003e\u003cp\u003e3: Support remote firmware update\u003c\/p\u003e\u003cp\u003e4: Increase the capacitor and increase the heat sink:\u003c\/p\u003e\u003cp\u003e5: Protection mechanism: over temperature, over current, short circuit, anti-static protection\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eModel: ZK-TB22\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"font-size:18px\"\u003e\u003cstrong\u003eName: 2.1 channel 50W+50W+100W tweeter subwoofer adjustment bluetooth audio power amplifier\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003ePower amplifier chip: TPA3116D2\u003c\/p\u003e\u003cp\u003eBluetooth version: 5.1\u003c\/p\u003e\u003cp\u003eBluetooth transmission distance: 10 meters (if you need a longer distance, please connect an external antenna yourself)\u003c\/p\u003e\u003cp\u003eAudio input: Bluetooth+AUX\u003c\/p\u003e\u003cp\u003eAudio output: left channel 50W + right channel 50W + subwoofer 100W\u003c\/p\u003e\u003cp\u003eAdapter power supply: DC12-24V, ≥7A (can not be connected to AC)\u003c\/p\u003e\u003cp\u003eAdapter speakers: left and right channels 20-5W, 4-8Ω; subwoofer 20-100W, 4-8Ω\u003c\/p\u003e\u003cp\u003eVolume adjustment: total volume, stereo volume, subwoofer volume are adjusted separately, with a wide range of adjustment;\u003c\/p\u003e\u003cp\u003eMaster volume with button single click: play\/pause double click: next song\u003c\/p\u003e\u003cp\u003eTriple tap: select or deselect box mode\u003c\/p\u003e\u003cp\u003eProtection mechanism: over temperature, over current, short circuit, anti-static protection\u003c\/p\u003e\u003cp\u003eFeatures: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts\u003c\/p\u003e\u003cp\u003eTone volume adjustment, on\/off alert tone, sleep aid, firmware upgrade, etc. Box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pairing boxes, with a stronger sense of spatial positioning.\u003c\/p\u003e\u003cp\u003eProduct size: 121x100x26mm\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S1f200b8a5f7e4b418d0382b3757f0c3b9.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sf8bf9ed4f5984259ad02063c528a184bN.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4d4a01607b2a40d1adcb4197e2c11e6fC.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sec33efcdfe864dfe96828f5b2239a018i.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scdbec8bc42cf49eaa93f8bfa5e91c470D.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S27231befa1874adbb5eeade364f3d02ek.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S111c01af28764295bac1dbf64c686a49y.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S8be05d31673d443e9525869a868cf256s.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb937fe8a2c7345869ac35a1b491c145fW.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S09df66bb14304a54840f761357ac7576c.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S11d9cffd1cba49a9918d326f94821865Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S4a785436422d464a80689f05d6d4337eW.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Se4392f5b3713442e8cada82bc349bb7dF.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S9b069b01229e409980795b2fc3c0f05c5.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S43a3c1a3258043d69d7cd2e2eedde9c3Y.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfa1317dfa93c49f2a8a53ae5d6506cf42.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sd8e578aee6e44c74b5d97a62b325da34c.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sb8dba3f4187d44ecaf467316140b1fc4T.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S90fda0e95af9422e9e20dc94b5410182m.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S05a0b8e924e842c4bd54dc96b7e30386s.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sdf78b5c1b3b94335bb0b4a29e6eba567Z.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Scdcb8e9fa9d547d09402640d3aedabc1l.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sfecd80729bef4f589e56286abc8b2c8fF.jpg\" slate-data-type=\"image\"\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eProduct selling point\u003c\/p\u003e\u003cp\u003e1: Adjust the volume of stereo and subwoofer separately\u003c\/p\u003e\u003cp\u003e2: Support remote firmware update\u003c\/p\u003e\u003cp\u003e3: Increase the capacitor and increase the heat sink\u003c\/p\u003e\u003cp\u003e4: Protection mechanism: over temperature, over current, short circuit, anti-static protection\u003c\/p\u003e\u003cp\u003e5: Features: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts\u003c\/p\u003e\u003cp\u003eTone volume adjustment, on\/off alert tone, sleep aid, firmware upgrade, etc. Box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pair boxes, with a stronger sense of spatial positioning.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003eModel: ZK-TB22P\u003c\/p\u003e\u003cp\u003eName: 2.1 channel 50W+50W+100W potentiometer External Bluetooth audio power amplifier\u003c\/p\u003e\u003cp\u003ePower amplifier chip: TPA3116D2\u003c\/p\u003e\u003cp\u003eBluetooth version: 5.1\u003c\/p\u003e\u003cp\u003eBluetooth transmission distance: 10 meters (if you need a longer distance, please connect an external antenna yourself)\u003c\/p\u003e\u003cp\u003eAudio input: Bluetooth+AUX\u003c\/p\u003e\u003cp\u003eAudio output: left channel 50W + right channel 50W + subwoofer 100W\u003c\/p\u003e\u003cp\u003eAdapter power supply: DC12-24V, ≥7A (can not be connected to AC)\u003c\/p\u003e\u003cp\u003eAdapter speakers: left and right channels 20-50W, 4-8Ω; subwoofer 20-100W, 4-8Ω\u003c\/p\u003e\u003cp\u003eOuter lead: 4 6P 35cm, 1 8P 35cm\u003c\/p\u003e\u003cp\u003eVolume adjustment: total volume, stereo volume, subwoofer volume are adjusted separately, with a wide range of adjustment;\u003c\/p\u003e\u003cp\u003eMaster volume with button click: play\/pause double click: next song\u003c\/p\u003e\u003cp\u003eTriple tap: select or deselect box mode\u003c\/p\u003e\u003cp\u003eProtection mechanism: over temperature, over current, short circuit, anti-static protection\u003c\/p\u003e\u003cp\u003eFeatures: Support Wuzhi Audio APP. Modify the bluetooth name, password settings, prompts\u003c\/p\u003e\u003cp\u003eTone volume adjustment, on\/off alert tone, sleep aid, firmware upgrade, etc. Box pairing function, the true wireless function enables two sets of speakers to be combined into left and right channel pair boxes, with a stronger sense of spatial positioning.\u003c\/p\u003e\u003cp\u003eProduct size: 100x100x26mm\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S7358489982844c0b9e5ce5757bd057bax.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/Sa8852da25cfd4e20b2af59a0ff58cca1J.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S648d1a7581994b7baf27e67067b97509W.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S2394f4ab55364810b46b170ecbf89356D.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae01.alicdn.com\/kf\/S182966738ca848099c845f9730f7da9c0.jpg\" 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