{"product_id":"hosyond-bluetooth-5-0-subwoofer-amp-board-powerful-2-1-channel-hifi-sound","title":"Bluetooth 5.0 2.1 Channel 50W+50W+100W Subwoofer Amplifier Board","description":"\u003cp\u003eOur review of this Bluetooth 5.0 2.1 channel amplifier board finds it best for DIY home theater builders and hobbyists who need a compact, powerful amp with versatile inputs. The board uses the \u003cstrong\u003eTPA3116D2 HIFI chip\u003c\/strong\u003e and delivers a clear, full sound across paired satellite channels and a dedicated subwoofer output, making it a straightforward choice for small rooms where deep bass and clean treble matter. Setup is direct: Bluetooth 5.0 pairs quickly and a 3.5mm AUX input offers a wired fallback when needed.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTPA3116D2 stereo output:\u003c\/strong\u003e Provides 50W per left and right channel plus 100W to a subwoofer for a true 2.1 setup that fills a small room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0 and AUX input:\u003c\/strong\u003e Fast wireless pairing and a 3.5mm jack let users choose wireless streaming or wired connection without extra converters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide DC input range:\u003c\/strong\u003e Accepts DC 12-24V so it works with common bench supplies and many battery setups for flexible installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection suite:\u003c\/strong\u003e Built-in overheat, reverse connection, short circuit and over\/under voltage protection protects speakers and the board in real-world use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent bass and treble controls:\u003c\/strong\u003e Dedicated knobs for high and low adjustments let you tailor sound for music or movie playback without external EQ hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust connectors:\u003c\/strong\u003e Copper DC connectors and barrier terminals handle higher current and simplify wiring for longer-term reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThis board is ideal for DIYers building compact home theater systems, small powered speaker boxes, or square speakers where a true 2.1 output is desired. It suits users who want the convenience of \u003cstrong\u003eBluetooth streaming\u003c\/strong\u003e plus the stability of a 3.5mm wired input and who can provide an adequate DC supply to reach advertised power levels.\u003c\/p\u003e\u003cp\u003eIt is not intended for those who need a full-featured consumer receiver with source switching, remote control, or network streaming services. Buyers who require extremely high-fidelity audiophile circuitry or multi-zone amplification should look at larger, dedicated amplifiers 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\u003eClear, full sound courtesy of the TPA3116D2 chip with noticeable low-end support from the 100W sub output.\u003c\/li\u003e\n\u003cli\u003eReliable \u003cstrong\u003eBluetooth 5.0\u003c\/strong\u003e connectivity that pairs quickly and operates at longer range than older Bluetooth versions.\u003c\/li\u003e\n\u003cli\u003eComprehensive protection features and sturdy connectors make it practical for repeated DIY use.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePower output depends heavily on the supplied DC voltage and current, so buyers must provide a capable power source to hit peak output.\u003c\/li\u003e\n\u003cli\u003eNo remote control or onboard display for source and level feedback, which may be limiting for some living-room setups.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eTPA3116D2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e50W + 50W (L\u0026amp;R) + 100W (Subwoofer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Methods\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0, 3.5mm AUX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003eDC 12V-24V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOverheat, reverse connection, short circuit, over\/under voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e4-8 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize \u0026amp; Weight\u003c\/td\u003e\n\u003ctd\u003e120 x 100 x 22mm, 195g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Bluetooth 5.0 2.1 amplifier board is a strong value for DIY home theater builders who need a compact, powerful module with flexible inputs and reliable protection. With the TPA3116D2 chipset and dedicated subwoofer output, it delivers solid low-end presence and clear stereo output at a budget-friendly price, provided you supply an adequate DC source. It is a practical, cost-effective way to add hi-fi 2.1 sound to small rooms and custom speaker projects.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan I use Bluetooth and AUX at the same time?\u003c\/strong\u003e\u003cbr\u003eThe board gives priority to Bluetooth when both inputs are present; disconnect Bluetooth to use AUX exclusively.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat voltage do I need for full output?\u003c\/strong\u003e\u003cbr\u003eMaximum recommended operation is within DC 12-24V and sufficient current; power output depends on stable voltage and current capacity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it protect speakers from faults?\u003c\/strong\u003e\u003cbr\u003eYes, the board includes overheat, reverse connection, short circuit and over\/under voltage protection to reduce risk to connected speakers.\u003c\/p\u003e","brand":"Hosyond","offers":[{"title":"Default Title","offer_id":46784419659995,"sku":"B0CCJQBWST","price":22.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61s35dbImuL._SL1201.jpg?v=1747851660","url":"https:\/\/gearmusthave.com\/products\/hosyond-bluetooth-5-0-subwoofer-amp-board-powerful-2-1-channel-hifi-sound","provider":"GearMustHave","version":"1.0","type":"link"}