performance Class D audio amplifier board with dual YDA138 E chips engineered for clear, efficient sound and reliable operation. Key benefits Clean, accurate sound: Dual YDA138 E chips and Class D amplification reduce distortion and improve output efficiency so you hear detailed, HDquality audio. Runs cool and reliable: Largearea heat dissipation system and robust materials let the board operate for extended periods without overheating or performance loss. Fast, hassle installation: Compact size, precise mounting holes, and straightforward connections allow quick integration into existing audio setups without complicated configuration. Preserves audio detail: Lossless HD sound reproduction with a signaltonoise ratio (SNR) of 88% keeps vocals and instruments clear and natural. What this product solves Replaces underperforming amplifiers that add noise or distortion, delivering clearer playback for music and professional audio. Prevents thermal shutdown and shortened component life by dispersing heat efficiently during long sessions. Saves installation time and reduces fitment issues with compact dimensions and accurately placed mounting holes. Features and performance Amplification: Class D, driven by dual YDA138 E chips for efficient fidelity output. Durability: Largearea heat dissipation system and sturdy construction for consistent performance under heavy use. Installation: Compact board with precise mounting holes for easy fitting into custom and commercial enclosures. Sound quality: Lossless HD reproduction and a signaltonoise ratio of 88% to maintain clarity across frequencies. Compatibility and physical attributes Function: Designed to serve as a digital power amplifier module for a variety of audio systems. Compatibility: Integrates easily into professional sound systems, home audio setups, DIY speaker projects, and amplifying modules for audiophile equipment. Size and mounting: Compact footprint with precise mounting holes to fit multiple chassis and enclosure types. Materials: Built with durable components and heatdissipating surfaces to sustain longterm use. Typical applications Home audio upgrade: an older amplifier board in bookshelf or custom speakers to improve clarity and reduce noise. Professional sound systems: Use in PA systems, stage monitors, or studio monitoring where sustained output and reliability are required. DIY and embedded projects: Integrate into custom enclosures, automotive audio upgrades, or hobbyist audio builds that need a compact, efficient amplifier. Delivering a practical balance of performance audio, thermal reliability, and easy installation, this amplifier board is suited for audiophiles, professionals, and integrators who need efficient Class D amplification with lossless HD sound.