{"product_id":"bluetooth-amplifier-board-tda7492p-225w-v2-1-compact-stereo-power","title":"Bluetooth Amplifier Board TDA7492P 225W V2.1 - Compact Stereo Power","description":"\u003cp\u003eIn this review of the Bluetooth Amplifier Board TDA7492P HF63, the bottom line is simple: this is a compact, affordable stereo amplifier board for hobbyists and DIY audio projects who need reliable Bluetooth pairing plus a wired AUX option. The reviewer found the TDA7492P chip and Bluetooth V2.1 module deliver clean, dependable output at 2 x 25W into typical 8 ohm speakers, and the board accepts DC 10-25V through a 2.1mm socket, which makes it easy to integrate into small powered speaker builds. It is best for users who value practical performance and long service life over fancy features.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eOutput Power:\u003c\/strong\u003e The board provides 2 x 25W stereo output which is enough for bookshelf or desktop speakers and casual room listening.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eFlexible Speaker Load:\u003c\/strong\u003e It supports 4, 6, 8 and 16 ohm speakers, with 8 ohm being the most balanced option for performance and heat.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBluetooth + AUX:\u003c\/strong\u003e Bluetooth receiver V2.1 gives wireless input and a dedicated AUX input allows wired sources to be used without extra adapters.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eWide Supply Range:\u003c\/strong\u003e The DC 10-25V input via a 2.1mm socket makes it compatible with many small power supplies and battery setups for portable use.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTrusted Amplifier Chip:\u003c\/strong\u003e The TDA7492P power amplifier chip provides stable audio drive and the PCB uses quality components intended to extend service life.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProtection Considerations:\u003c\/strong\u003e The board is designed with reverse connection protection to reduce risk from incorrect power hook-up during DIY assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Bluetooth Amplifier Board is aimed at electronics hobbyists, DIY speaker builders, and small workshop projects that need a simple, compact stereo amplifier with both wireless and wired inputs. It fits well into custom bookshelf speakers, desktop audio rigs, or lightweight portable systems where a modest 25W per channel is sufficient.\u003c\/p\u003e\n\u003cp\u003eThose seeking high-end audiophile fidelity, multi-channel home theater amplification, or integrated features like tone controls, digital inputs, or higher continuous power should look elsewhere. This board is a focused, no-frills solution rather than a full-featured receiver.\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\u003eCompact stereo design delivers usable 25W+25W output for small speakers.\u003c\/li\u003e\n \u003cli\u003eBluetooth V2.1 plus AUX input offers flexible wired and wireless sources.\u003c\/li\u003e\n \u003cli\u003eWide 10-25V supply range and 2.1mm socket make power choices simple.\u003c\/li\u003e\n \u003cli\u003eBuilt with quality components and PCB for long service life and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003ePower rating is modest and not suited for large rooms or high-SPL applications.\u003c\/li\u003e\n \u003cli\u003eThe feature set is basic, lacking onboard tone controls or digital inputs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHF63\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAmplifier chip\u003c\/td\u003e\n\u003ctd\u003eTDA7492P\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eAudio input\u003c\/td\u003e\n\u003ctd\u003eBluetooth receiver V2.1, AUX interface\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSupply voltage\u003c\/td\u003e\n\u003ctd\u003eDC 10-25V (2.1mm socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOutput power\u003c\/td\u003e\n\u003ctd\u003e2 x 25W\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eOutput impedance\u003c\/td\u003e\n\u003ctd\u003e4 \/ 6 \/ 8 \/ 16 ohm (8 ohm recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBoard size\u003c\/td\u003e\n\u003ctd\u003e72 x 48 mm (2.83 x 1.89 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe HF63 Bluetooth Amplifier Board is a practical, value-oriented choice for DIYers who need a compact stereo amp with wireless convenience and a wired AUX input. Its TDA7492P chip, flexible supply range, and solid construction make it a dependable core for small speaker projects, even though it lacks advanced receiver features and high power for large rooms.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this run from a 12V battery?\u003c\/strong\u003e\u003cbr\u003eYes, the board accepts DC 10-25V so a 12V battery or regulated 12V supply will work with the 2.1mm socket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat speaker impedance is best?\u003c\/strong\u003e\u003cbr\u003eIt supports 4, 6, 8 and 16 ohm loads, with 8 ohm recommended as the best balance of power and heat.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include Bluetooth pairing and AUX simultaneously?\u003c\/strong\u003e\u003cbr\u003eYes, the module provides Bluetooth V2.1 connectivity and a separate AUX input for wired sources, allowing flexible switching between inputs.\u003c\/p\u003e","brand":"YWBL-WH","offers":[{"title":"Default Title","offer_id":46771005653211,"sku":"B07TQ61YSB","price":17.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/516a8pIY09L.jpg?v=1747854989","url":"https:\/\/gearmusthave.com\/products\/bluetooth-amplifier-board-tda7492p-225w-v2-1-compact-stereo-power","provider":"GearMustHave","version":"1.0","type":"link"}