{"product_id":"mono-class-d-digital-amplifier-board-dc-8-24v-30w-300w-4-8ω","title":"Mono Class D Digital Amplifier Board DC 8–24V 30W–300W 4–8Ω","description":"\u003ch2\u003eHigh-Power Mono Class D Digital Amplifier Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio setup with this compact yet powerful \u003cstrong\u003eMono Class D Digital Amplifier Board\u003c\/strong\u003e. Designed for DIY audio enthusiasts and electronics hobbyists, this amplifier module delivers outstanding sound performance across a wide power range — from 30W all the way up to 300W — making it a versatile choice for speakers, subwoofers, home audio systems, and computer sound projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Input:\u003c\/strong\u003e Operates on DC 8V–24V, compatible with a broad range of power supplies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Output Power:\u003c\/strong\u003e Scalable output from 30W to 300W to suit your specific speaker setup\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClass D Efficiency:\u003c\/strong\u003e Energy-efficient Class D topology minimizes heat generation while maximizing audio output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeaker Compatibility:\u003c\/strong\u003e Works with 4Ω–8Ω speakers for flexible integration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMono Channel:\u003c\/strong\u003e Clean, focused single-channel amplification ideal for subwoofers and full-range drivers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package:\u003c\/strong\u003e Surface-mount design for a compact and reliable PCB footprint\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e Rated for –40°C to +80°C, ensuring stable performance in demanding environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Manufactured without hazardous materials for peace of mind\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Suitable for custom audio builds and OEM integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 8V – 24V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30W – 300W (Mono)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω – 8Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmplifier Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eClass D\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Module\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Can You Build With It?\u003c\/h3\u003e\n\u003cp\u003eThis amplifier board is perfect for a wide range of DIY and professional audio projects, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHome theater subwoofer drivers\u003c\/li\u003e\n  \u003cli\u003eCustom bookshelf or floor-standing speaker systems\u003c\/li\u003e\n  \u003cli\u003eComputer or desktop audio amplification\u003c\/li\u003e\n  \u003cli\u003ePowered speaker cabinet builds\u003c\/li\u003e\n  \u003cli\u003ePrototyping and electronics experimentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/cordless-rechargeable-milk-frother-coffee-foam-egg-whisk\"\u003eCordless Rechargeable Milk Frother – Coffee Foam \u0026amp; Egg Whisk\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What power supply do I need for this Class D amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: This digital amplifier module accepts a DC input voltage between 8V and 24V. The output power will vary depending on your supply voltage — a higher voltage within the rated range will yield greater wattage output, up to 300W at peak. Always ensure your power supply can deliver adequate current for your desired output level.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this amplifier board compatible with 4-ohm and 8-ohm speakers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This mono Class D amplifier board is designed to drive speakers with impedance ratings of 4Ω to 8Ω. It works well with a wide variety of speaker configurations, including subwoofers and full-range drivers used in DIY audio builds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can this module be used in a DIY home audio or computer speaker system?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This amplifier board is well-suited for DIY home audio, desktop speaker setups, and computer audio projects. Its compact SMD form factor and wide voltage range make it easy to integrate into custom enclosures and audio builds of all kinds.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What power supply do I need for this Class D amplifier board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This digital amplifier module accepts a DC input voltage between 8V and 24V. The output power will vary depending on your supply voltage — a higher voltage within the rated range will yield greater wattage output, up to 300W at peak. Always ensure your power supply can deliver adequate current for your desired output level.\"}}, {\"@type\": \"Question\", \"name\": \"Is this amplifier board compatible with 4-ohm and 8-ohm speakers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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