{"product_id":"5v-bluetooth-amplifier-module-5w-mono-class-d-compact-lossless","title":"5V Bluetooth Amplifier Module 5W Mono Class D - Compact Lossless","description":"\u003cp\u003eOur review of the 5V Bluetooth Amplifier Module 5W Mono Class D cuts to the chase: this tiny finished board is for DIYers and compact audio projects that need a simple, efficient way to drive a single 4 ohm speaker from a 3.7V to 5V supply. The module's main appeal is its low-voltage operation and built-in wireless playback that claims lossless format support, which makes it a practical choice for battery-powered or space-constrained systems where ease of integration and modest power are priorities.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow-voltage operation:\u003c\/strong\u003e Runs from 3.7V to 5V so it can be powered directly from common single-cell lithium packs or USB power supplies without extra regulation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClass D efficiency:\u003c\/strong\u003e The Class D design delivers up to 3W-5W output while keeping heat and current draw low, useful for compact enclosures and battery projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in Bluetooth playback:\u003c\/strong\u003e Wireless connectivity removes the need for external audio sources or wired inputs during typical use and simplifies installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono output for single-driver systems:\u003c\/strong\u003e Optimized for driving a single 4 ohm speaker, making it ideal for mono speakers, portable radios, or DIY amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory standby function:\u003c\/strong\u003e The module remembers its state and supports standby, which helps preserve convenience and reduces user fuss in small systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis module is best suited to hobbyists, makers, and professional tinkerers building compact audio devices such as portable bluetooth speakers, single-driver amps, intercoms, or embedded projects where space and power budget are limited. Its direct power supply design and small footprint make it straightforward to add into an enclosure or prototype board.\u003c\/p\u003e\n\u003cp\u003eIt is not aimed at audiophiles seeking multi-channel home theater or high-power stereo systems; if you need stereo separation, higher power, or advanced analog inputs, look for a multi-channel amplifier or a board with greater output and additional input options.\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 size and direct 3.7V-5V power operation simplifies integration in battery and USB-powered designs.\u003c\/li\u003e\n\u003cli\u003eClass D efficiency keeps heat and current draw low for small enclosures.\u003c\/li\u003e\n\u003cli\u003eLossless music format support and Bluetooth playback reduce setup complexity for wireless audio.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMono output and modest 3W-5W power limit its use to single-driver, low-power applications rather than full stereo systems.\u003c\/li\u003e\n\u003cli\u003eLimited on-board controls or input options mean additional circuitry may be needed for advanced features.\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\u003ezad-c1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput power\u003c\/td\u003e\n\u003ctd\u003e3W~5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput impedance\u003c\/td\u003e\n\u003ctd\u003e4ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking voltage\u003c\/td\u003e\n\u003ctd\u003eDC 3.7V-5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking current\u003c\/td\u003e\n\u003ctd\u003e1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel\u003c\/td\u003e\n\u003ctd\u003eMono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20C~85C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe 5V Bluetooth Amplifier Module is a practical, cost-effective choice for DIY and compact audio projects that need wireless playback and low-voltage operation. Its Class D efficiency and memory standby make it a smart fit for portable or embedded systems, though those needing stereo sound or higher power should consider larger multi-channel modules.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan this module run from a single-cell lithium battery?\u003c\/strong\u003e\u003cbr\u003eYes, the working voltage range of 3.7V to 5V makes it compatible with single-cell lithium packs and typical USB power sources.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat speaker impedance does it require?\u003c\/strong\u003e\u003cbr\u003eThe module is specified for a 4ohm speaker load for optimal output in its 3W to 5W range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it support stereo connections?\u003c\/strong\u003e\u003cbr\u003eNo, this is a mono Class D amplifier designed to drive a single speaker; stereo setups will require two modules or a stereo amplifier board.\u003c\/p\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":46781860577499,"sku":"B0DBGN6G14","price":8.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61EwbJhC5hL._SL1000.jpg?v=1747854926","url":"https:\/\/gearmusthave.com\/products\/5v-bluetooth-amplifier-module-5w-mono-class-d-compact-lossless","provider":"GearMustHave","version":"1.0","type":"link"}