{"product_id":"wendry-bluetooth-amplifier-board-5-0-compact-2x5w-module","title":"Wendry Bluetooth Amplifier Board 5.0 - Compact 2x5W Module","description":"\u003cp\u003eIn this review the Wendry Bluetooth Amplifier Board is judged as a compact, developer-friendly audio module for DIY speakers and portable projects. It is best for hobbyists and makers who need a small dual 5W amplifier with Bluetooth 5.0 and simple power switching; the single biggest reason to buy is the board's flexible power range and external output that lets users run the built-in amp or feed an external power amplifier for higher output. The review focuses on real-world use with small lithium battery rigs and basic control via external buttons.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth 5.0:\u003c\/strong\u003e Modern wireless connectivity provides more stable streaming and lower latency for mobile and embedded audio sources.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual 5W output:\u003c\/strong\u003e Configurable maximum power of 10W (5W per channel) offers usable volume for small desktop or portable speakers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide supply compatibility:\u003c\/strong\u003e Runs from DC 3.7V to 5V so it can be powered directly from a single-cell lithium battery or USB power bank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExternal amplifier output:\u003c\/strong\u003e An OUT 3P block lets advanced users route the preamp to a separate amplifier for higher-power systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro power switch and buttons:\u003c\/strong\u003e On-board switch control and hands-calling\/external button support make integration into cases and enclosures straightforward.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery charging via USB:\u003c\/strong\u003e The module supports USB charging of a connected lithium battery and indicates charge status with a red LED.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis board is aimed at electronics hobbyists, makers building compact Bluetooth speakers, and small product developers who need a ready-made PCBA with Bluetooth 5.0 and basic power management. It suits projects where space is limited and where 5W per channel is adequate for near-field listening.\u003c\/p\u003e\n\u003cp\u003eIt is not intended for audiophiles seeking high-power home theater amplification or heavy-duty continuous output; those users should look for purpose-built higher wattage amplifiers and full-featured DACs. Similarly, beginners who need a plug-and-play consumer speaker may find the wiring and battery charging details require some technical comfort.\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 PCB design makes it easy to fit into small enclosures for custom speakers or portable projects.\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.0 provides a reliable wireless link and better compatibility with modern devices.\u003c\/li\u003e\n\u003cli\u003eExternal OUT terminal allows upgrading to a separate power amplifier without replacing the module.\u003c\/li\u003e\n\u003cli\u003eUSB charging and an LED charge indicator simplify battery-powered builds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum delivered power is modest at 5W per channel, so it is not suitable for loud, large-room setups.\u003c\/li\u003e\n\u003cli\u003eDocumentation and packaged accessories are minimal, so some wiring and setup require basic electronics experience.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003eDC 3.7V - 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent\u003c\/td\u003e\n\u003ctd\u003e1.5A - 2A recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput power\u003c\/td\u003e\n\u003ctd\u003e2 x 5W (configurable max 10W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCBA size\u003c\/td\u003e\n\u003ctd\u003eapprox. 40 x 34 x 9mm (including terminal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging input\u003c\/td\u003e\n\u003ctd\u003eUSB (red LED charges, off when full)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Wendry Bluetooth Amplifier Board is a practical choice for makers and small-product developers who need a compact, battery-friendly Bluetooth 5.0 amp with external output options. It delivers good value when you need simple controls, USB charging, and the ability to feed a larger amplifier, but it is best used in near-field or portable speaker designs rather than high-power home audio systems.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this board charge a lithium battery?\u003c\/strong\u003e\u003cbr\u003eYes, it supports USB charging of a connected lithium battery and shows a red light while charging and no light when charged.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use a power bank with this module?\u003c\/strong\u003e\u003cbr\u003eYes, the board runs from 3.7V to 5V and will work with a 5V USB power bank, provided the bank can supply 1.5A to 2A or higher.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the audio output upgradeable to a bigger amplifier?\u003c\/strong\u003e\u003cbr\u003eYes, the 3P OUT terminal provides an external output path so you can feed a separate power amplifier for higher output.\u003c\/p\u003e","brand":"Wendry","offers":[{"title":"Default Title","offer_id":46778531021019,"sku":"B0859DP7WP","price":8.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61Jx4ncp2yL._AC_SL1001.jpg?v=1747854661","url":"https:\/\/gearmusthave.com\/products\/wendry-bluetooth-amplifier-board-5-0-compact-2x5w-module","provider":"GearMustHave","version":"1.0","type":"link"}