{"product_id":"bluetooth-audio-receiver-board-stereo-amplifier-board-compact","title":"Bluetooth Audio Receiver Board Stereo Amplifier Board - Compact","description":"\u003cp\u003eIn this review of the Bluetooth Audio Receiver Board Stereo Amplifier Board, the bottom line is clear: this tiny Walfront module is for tinkerers and compact-sound projects that need flexible input options and lightweight portability. It stands out because it supports four input modes - Bluetooth, USB decoding, T-F card playback and FM radio - in a board roughly 1.6 x 2.0in, making it useful for DIY speakers, portable amplifiers or retrofit projects where space and power are limited. The review focuses on real-world use, setup, and whether this board delivers reliable playback and connectivity for its size.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour input modes:\u003c\/strong\u003e Bluetooth, USB playback, T-F card and FM radio provide multiple ways to play audio from phones, thumb drives or local media for flexible source selection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide format support:\u003c\/strong\u003e The board decodes MP3, WMA, WAV and FLAC files so you can play compressed and lossless tracks from USB or T-F card without extra hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal power option:\u003c\/strong\u003e The external power supply interface allows use with a lithium battery pack for portable installations where mains power is not available.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreamp output:\u003c\/strong\u003e A preamp output can feed headphones directly or be connected to a downstream power amplifier for louder stereo playback.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and lightweight:\u003c\/strong\u003e At about 4 x 5cm and under 30g, the board is easy to mount inside small enclosures or carry in a portable rig.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote control included:\u003c\/strong\u003e The supplied remote makes switching modes and controlling playback convenient when the board is installed out of sight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis module is ideal for hobbyists, makers and audio DIYers who need a compact multi-format player and a Bluetooth receiver to add wireless input to custom speaker projects. It works well in battery-powered custom Bluetooth speakers or as a simple input board for larger systems thanks to the preamp output.\u003c\/p\u003e\u003cp\u003eIt is not aimed at users who want a finished consumer product with polished enclosure, advanced user interface or guaranteed long-term warranty support; those buyers should look for a packaged commercial receiver or integrated amplifier instead.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVersatile input options let the board handle Bluetooth, USB, T-F card and FM without extra converters.\u003c\/li\u003e\n\u003cli\u003eSupports common lossless and lossy file formats including FLAC for better audio fidelity when using stored music.\u003c\/li\u003e\n\u003cli\u003eSmall size and light weight make it simple to integrate into portable or space-constrained builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFM reception requires you to DIY a long wire antenna for acceptable performance, which is less convenient than built-in antennas.\u003c\/li\u003e\n\u003cli\u003eThe board is a bare module intended for projects, so it lacks a finished enclosure and advanced controls for everyday consumer use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eBluetooth audio receiver board with remote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5V DC (external, supports lithium battery use)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio Output\u003c\/td\u003e\n\u003ctd\u003e3.5mm audio output and preamp output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Formats\u003c\/td\u003e\n\u003ctd\u003eMP3, WMA, WAV, FLAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Size\u003c\/td\u003e\n\u003ctd\u003eApprox. 4 x 5cm (1.6 x 2.0in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Size\u003c\/td\u003e\n\u003ctd\u003eApprox. 8.6 x 4cm (3.4 x 1.6in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Options\u003c\/td\u003e\n\u003ctd\u003eWith microphone and remote or without microphone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Bluetooth Audio Receiver Board is a practical, low-cost component for projects that need flexible playback and wireless input in a tiny footprint. Makers who value format support and multiple input modes will find strong value here, while buyers seeking a finished consumer device should opt for an assembled receiver. Overall it is a useful tool for DIY audio builds and portable systems.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes this board run on battery?\u003c\/strong\u003e\u003cbr\u003eYes, it has an external power interface that supports lithium battery packs for portable use.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it play FLAC files from USB?\u003c\/strong\u003e\u003cbr\u003eYes, the board decodes MP3, WMA, WAV and FLAC from USB or T-F card playback.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs an antenna included for FM?\u003c\/strong\u003e\u003cbr\u003eNo; for FM you need to attach a long wire as an antenna to the FM antenna area for reliable reception.\u003c\/p\u003e","brand":"Walfront","offers":[{"title":"Default Title","offer_id":46760061173979,"sku":"B075R2Z1GX","price":13.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61AFaO6yuwL._AC_SL1001.jpg?v=1747854795","url":"https:\/\/gearmusthave.com\/products\/bluetooth-audio-receiver-board-stereo-amplifier-board-compact","provider":"GearMustHave","version":"1.0","type":"link"}