{"product_id":"mp3-bluetooth-5-0-receiver-board-4pcs-pack-small-decoding-module","title":"MP3 Bluetooth 5.0 Receiver Board 4Pcs Pack - Small Decoding Module","description":"\u003cp\u003eIn this review we look at a compact solution for adding wireless audio to existing speakers and receivers. The MP3 Bluetooth 5.0 Receiver Board 4Pcs pack is aimed at hobbyists, tinkerers and anyone who wants to retrofit a set of speakers or a home amplifier with Bluetooth streaming without replacing larger components. The single biggest reason to buy is its combination of a true \u003cstrong\u003eBluetooth 5.0 audio receiver\u003c\/strong\u003e chipset with lossless file support, which makes it an efficient, low-cost way to add modern streaming to older audio equipment.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact form factor:\u003c\/strong\u003e At about 3x3cm each, these boards slip into small enclosures or behind panels to convert existing speakers without major modification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 connectivity:\u003c\/strong\u003e The receiver uses BT5.0 for longer range and more stable streaming while remaining backward compatible with older devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide power tolerance:\u003c\/strong\u003e The boards accept a Micro USB 5V supply or a 3.7V to 5V input, making them adaptable to battery or USB power options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard audio output:\u003c\/strong\u003e Each board has a 3.5mm stereo output for connecting headphones, amplifiers, or line inputs on a receiver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLossless format support:\u003c\/strong\u003e Playback supports common high-quality file types such as MP3, APE, FLAC and WAV for better fidelity from streamed or local sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThese modules are best for DIY audio enthusiasts who want to add Bluetooth streaming to bookshelf speakers, vintage stereos, or small active speaker projects. The tiny 3x3cm boards are ideal where space is tight and a simple 3.5mm line output is sufficient to feed an amplifier or headphone jack.\u003c\/p\u003e\n\u003cp\u003eThose seeking a complete amplifier with speaker outputs, volume controls, or advanced digital controls should look elsewhere; this product is a receiver\/decoder board intended as a building block rather than a finished consumer unit.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSmall size makes integration into enclosures straightforward for custom installations.\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 offers improved range and stability compared with older Bluetooth versions.\u003c\/li\u003e\n\u003cli\u003eSupports lossless audio files like FLAC and WAV, improving playback quality for high-resolution sources.\u003c\/li\u003e\n\u003cli\u003eFlexible power options let you run the board from USB 5V or 3.7V battery sources.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoards provide a 3.5mm line output only, so users needing speaker-level outputs will still require an external amplifier.\u003c\/li\u003e\n\u003cli\u003eNo built-in controls or enclosure are included, so some DIY assembly and wiring skill is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e3x3cm (1.18x1.18in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003e3.7V - 5V (Micro USB 5V supported)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth version\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0 (backward compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported formats\u003c\/td\u003e\n\u003ctd\u003eMP3, APE, FLAC, WAV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio interface\u003c\/td\u003e\n\u003ctd\u003e3.5mm stereo output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e91 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal harmonic distortion + noise\u003c\/td\u003e\n\u003ctd\u003e-70 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 4Pcs MP3 Bluetooth 5.0 Receiver Board pack is a practical, cost-effective way to add modern wireless streaming and lossless playback support to existing audio gear. It is well suited to DIYers and those upgrading vintage equipment, offering solid signal-to-noise performance and flexible power options. If you need speaker-level outputs or a finished product with controls, combine these boards with a small amplifier or enclosure for best value.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan these boards be powered from a USB phone charger?\u003c\/strong\u003e\u003cbr\u003eYes, they accept a standard Micro USB 5V supply and can be powered from most USB chargers or power banks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these boards provide speaker outputs?\u003c\/strong\u003e\u003cbr\u003eNo, the boards provide a 3.5mm stereo line output; a separate amplifier is required to drive passive speakers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat Bluetooth profiles are supported?\u003c\/strong\u003e\u003cbr\u003eThe boards support A2DP, AVCTP, AVDTP and HFP profiles for audio streaming and call handling where applicable.\u003c\/p\u003e","brand":"ECSiNG","offers":[{"title":"Default Title","offer_id":46765898858715,"sku":"B0BGNYJ4NB","price":9.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81acWFTPMxL._AC_SL1500.jpg?v=1747854782","url":"https:\/\/gearmusthave.com\/products\/mp3-bluetooth-5-0-receiver-board-4pcs-pack-small-decoding-module","provider":"GearMustHave","version":"1.0","type":"link"}