{"product_id":"bluetooth-power-amplifier-board-2-1-channel-2x50w-100w-app-control","title":"Bluetooth Power Amplifier Board 2.1 Channel 2x50W 100W - APP Control","description":"\u003cp\u003eIn this review of the Bluetooth Power Amplifier Board 2.1 Channel 2x50W 100W, the bottom line is simple: this module is for DIY audio builders and small home theater projects that need a compact, high-power amplifier with modern control options. The review finds the board most valuable for anyone who wants a clean HiFi-oriented signal path plus flexible input selection, because it combines two TPA3116D2 amplifiers with APP and Bluetooth control while supporting AUX and USB auto-switching.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh power output:\u003c\/strong\u003e Two TPA3116D2 chips deliver up to 50W per channel at appropriate voltages, giving clear headroom for bookshelf speakers or small powered setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide voltage input:\u003c\/strong\u003e The board accepts DC 12 to 24V, which allows use with common laptop-style adapters or small battery packs for portable installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAUX audio input:\u003c\/strong\u003e A dedicated AUX input ensures a pure analogue path for high pitch clarity, detailed mids and authoritative low frequencies when used with good source equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAPP control:\u003c\/strong\u003e Control volume, EQ and playback through an iOS or Android app and change the Bluetooth name and password for convenience in multi-device environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory mechanism:\u003c\/strong\u003e The board remembers the last-used mode and will auto-switch to USB or AUX if those sources are plugged in during Bluetooth playback, simplifying everyday use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis amplifier board is aimed at hobbyists, custom audio installers and anyone building a small home theater or desktop speaker system who wants a compact, high-power module with both analogue and wireless control. The APP and Bluetooth features make it convenient for users who prefer adjusting EQ and source settings from a phone.\u003c\/p\u003e\u003cp\u003eIt is less suited for audiophiles who require balanced inputs, full-featured tone controls on the hardware, or professional rack-mounted amplifiers; also those needing more than two channels or substantially higher continuous power should look at larger systems.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eStrong output using two TPA3116D2 chips provides robust power for small to medium speakers.\u003c\/li\u003e\n\u003cli\u003eFlexible inputs with AUX, USB and Bluetooth plus a memory mechanism that restores the last mode on power-up.\u003c\/li\u003e\n\u003cli\u003eApp support for iOS and Android enables convenient playback, volume and sound-effect control from a smartphone.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eNo balanced inputs or extensive onboard hardware tone controls may limit use in studio or pro audio setups.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel type\u003c\/td\u003e\n\u003ctd\u003e2.1 Channel Bluetooth Power Amplifier Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmplifier chips\u003c\/td\u003e\n\u003ctd\u003eTwo TPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower output\u003c\/td\u003e\n\u003ctd\u003e50W x 2 (peak), 100W total\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput voltage\u003c\/td\u003e\n\u003ctd\u003eDC 12 to 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eBluetooth, AUX, USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eAPP control for Android and iOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Bluetooth Power Amplifier Board 2.1 Channel 2x50W 100W is a practical, good-value module for DIY audio projects and small home theater builds that need reliable power and modern control. Buyers who want a compact amp with APP control, AUX and automatic source switching will find it a capable, versatile option.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes the board work with iPhone and Android?\u003c\/strong\u003e\u003cbr\u003eYes, the amplifier supports APP control for both iOS and Android devices.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat voltage supply does it require?\u003c\/strong\u003e\u003cbr\u003eThe board operates from a DC 12 to 24V supply; higher voltage within that range increases available output power.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it switch sources automatically?\u003c\/strong\u003e\u003cbr\u003eYes, if USB or AUX is plugged in while Bluetooth is playing, the board will switch to the wired source and it remembers the last-used mode after power on.\u003c\/p\u003e","brand":"Alomejor","offers":[{"title":"Default Title","offer_id":46781670719707,"sku":"B0C82FYTJV","price":21.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71_BvHsZAlL._SL1500.jpg?v=1747854979","url":"https:\/\/gearmusthave.com\/products\/bluetooth-power-amplifier-board-2-1-channel-2x50w-100w-app-control","provider":"GearMustHave","version":"1.0","type":"link"}