100W Class D Stereo Amplifier Board 50W+50W DC 5-26V DIY Audio
100W Class D Stereo Amplifier Board 50W+50W DC 5-26V DIY Audio
100W DIY Digital Stereo Audio Amplifier Board – 50W+50W, Class D, DC 5-26V
Upgrade your DIY audio projects with this compact yet powerful Class D Digital Stereo Audio Amplifier Board. Delivering an impressive 50W + 50W (100W total) output across two channels, this board is engineered for high efficiency, minimal heat generation, and crystal-clear sound reproduction — perfect for custom speaker builds, home audio setups, and electronics enthusiasts.
Key Specifications
- Amplifier Type: Class D (Digital)
- Total Output Power: 100W (50W + 50W, 2.0 stereo channels)
- Input Voltage: DC 5V – 26V
- Input Current: 2A – 4A
- Output Impedance: 4 – 8 Ohms
- Signal-to-Noise Ratio: 100dB
- Board Dimensions: 50 × 45 × 12 mm
- Material: Plastic + Metal
- Package Contents: 1 Set
Why Choose This Amplifier Board?
- ✅ High Efficiency Class D Design — Converts power with minimal waste heat, keeping your build cool and energy-efficient.
- ✅ Wide Voltage Range — Compatible with DC 5V to 26V power supplies for maximum flexibility in your project.
- ✅ Impressive 100dB SNR — Enjoy clean, low-noise stereo audio output.
- ✅ Ultra-Compact Form Factor — At just 50×45×12mm, it fits neatly into enclosures, custom speaker cabinets, or electronics projects.
- ✅ DIY-Ready — Ideal for hobbyists, makers, and electronics builders looking for a reliable amplifier module.
- ✅ Broad Speaker Compatibility — Works with 4–8 Ohm speaker loads.
Perfect For
- DIY Bluetooth speaker builds
- Custom home audio systems
- Electronics and robotics projects
- Replacement amp boards for existing setups
- Maker spaces and electronics workshops
Made in Mainland China.
Notes
- Colors may vary slightly from images due to monitor brightness and lighting conditions. Please refer to the actual product received.
- Allow for slight manual measurement deviations in the listed dimensions.
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Frequently Asked Questions
Q: What power supply do I need for this Class D amplifier board?
A: This digital stereo amplifier board accepts a wide input voltage range of DC 5V to 26V with an input current of 2A to 4A. A regulated DC power supply within this range is recommended. For maximum power output near 50W per channel, use a supply closer to 24V–26V at sufficient current capacity.
Q: What speaker impedance is compatible with this amplifier board?
A: This board is compatible with speakers rated at 4 to 8 Ohms impedance, which covers the vast majority of standard home audio and DIY speaker builds. Always ensure your speakers match the impedance specifications to protect both the board and the speakers.
Q: Is this amplifier board suitable for beginners in electronics DIY projects?
A: Yes! While some basic understanding of electronics wiring is helpful, this compact Class D amplifier board is designed to be straightforward to integrate into DIY audio builds. Its small 50×45×12mm footprint and broad voltage compatibility make it a great starting point for hobbyists and makers building custom speaker systems.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.