{"product_id":"tpa3118-pbtl-mono-digital-audio-amplifier-board-module-dc8-24v","title":"TPA3118 PBTL Mono Digital Audio Amplifier Board DC 8-24V","description":"\u003ch2\u003eTPA3118 PBTL Mono Digital Audio Amplifier Board Module\u003c\/h2\u003e\n\u003cp\u003eUpgrade your audio projects with the \u003cstrong\u003eTPA3118 PBTL Mono Channel Digital Audio Amplifier Module\u003c\/strong\u003e — a compact, high-efficiency amplifier board engineered for clean, powerful sound. Whether you're building a custom speaker system, a DIY hi-fi setup, or integrating audio into an electronics project, this mini amplifier board delivers outstanding performance in a remarkably small package.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality TPA3118 Amplifier Chip:\u003c\/strong\u003e Built around Texas Instruments' proven TPA3118 chip, this board delivers excellent audio clarity, low distortion, and impressive efficiency for its size.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e Compatible with DC 8V–24V power input, making it highly flexible and easy to integrate into a wide variety of systems and power configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePBTL Mono Channel Configuration:\u003c\/strong\u003e Operates in Parallel Bridge Tied Load (PBTL) mode, channeling full amplifier power into a single mono output for maximum drive capability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with 4Ω and 8Ω Speakers:\u003c\/strong\u003e Works seamlessly with standard 4-ohm and 8-ohm speakers, giving you broad speaker compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Easy to Integrate:\u003c\/strong\u003e Measuring just 45 × 35 × 12 mm (1.8 × 1.4 × 0.5 in), this board is designed to fit neatly into enclosures, panels, and DIY builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Class-D Efficiency:\u003c\/strong\u003e Class-D amplifier design means minimal heat generation and excellent power efficiency — ideal for battery-powered or space-constrained applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmplifier Chip:\u003c\/strong\u003e TPA3118\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e PBTL Mono Channel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e DC 8V – 24V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeaker Impedance:\u003c\/strong\u003e 4Ω \/ 8Ω\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAmplifier Class:\u003c\/strong\u003e Class-D (Digital)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 45 × 35 × 12 mm \/ 1.8 × 1.4 × 0.5 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis amplifier module is perfect for electronics hobbyists, audio engineers, makers, and DIY enthusiasts who need a reliable, high-performance mono amplifier in a compact footprint. It's an ideal component for custom speaker builds, Raspberry Pi audio projects, Arduino integrations, and more.\u003c\/p\u003e\n\n\u003ch3\u003eLearn More About Audio Amplifier Technology\u003c\/h3\u003e\n\u003cp\u003eFor technical background on Class-D audio amplifiers and digital audio electronics, visit the \u003ca href=\"https:\/\/www.energy.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eU.S. Department of Energy\u003c\/a\u003e for resources on energy-efficient electronics design. You can also explore electronics standards at \u003ca href=\"https:\/\/www.nist.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNIST (National Institute of Standards and Technology)\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the TPA3118 PBTL Mono Digital Audio Amplifier Module used for?\u003c\/h4\u003e\n\u003cp\u003eA: The TPA3118 PBTL Mono Digital Audio Amplifier Module is a compact Class-D amplifier board designed for DIY audio builds, custom speaker systems, and electronics projects. It uses the TPA3118 chip to deliver clean, efficient mono audio output and is compatible with 4Ω and 8Ω speakers across a DC 8V–24V input range.\u003c\/p\u003e\n\u003ch4\u003eQ: What does PBTL mean, and how does it affect performance?\u003c\/h4\u003e\n\u003cp\u003eA: PBTL stands for Parallel Bridge Tied Load. In this mode, the amplifier's internal channels are combined to drive a single speaker output with maximum power, making it ideal for mono applications where high output and efficiency are priorities.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply do I need for this amplifier board?\u003c\/h4\u003e\n\u003cp\u003eA: The TPA3118 PBTL amplifier board supports a wide DC input voltage range of 8V to 24V, so it can be powered by common bench power supplies, battery packs, or dedicated DC adapters — giving you great flexibility for both portable and fixed installations.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this module compatible with Raspberry Pi or Arduino projects?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The compact size and wide voltage compatibility of this amplifier board make it an excellent choice for Raspberry Pi, Arduino, and other single-board computer or microcontroller audio projects. Simply connect your audio signal input, power supply, and speaker to get started.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the TPA3118 PBTL Mono Digital Audio Amplifier Module used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The TPA3118 PBTL Mono Digital Audio Amplifier Module is a compact Class-D amplifier board designed for DIY audio builds, custom speaker systems, and electronics projects. It uses the TPA3118 chip to deliver clean, efficient mono audio output and is compatible with 4Ω and 8Ω speakers across a DC 8V–24V input range.\"}}, {\"@type\": \"Question\", \"name\": \"What does PBTL mean, and how does it affect performance?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"PBTL stands for Parallel Bridge Tied Load. 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