LM1875 30W Mono Audio Amplifier Board DC 12V–32V for Arduino
LM1875 30W Mono Audio Amplifier Board DC 12V–32V for Arduino
LM1875 30W Mono Audio Power Amplifier Board
Build rich, clear sound into your next DIY electronics project with this compact LM1875-based 30W Mono Audio Amplifier Board. Designed for makers, hobbyists, and engineers, this SMD module runs on a wide single power supply range (DC 12V–32V), making it a versatile drop-in solution for computers, custom speaker builds, Arduino projects, and more. Made in Mainland China.
Key Features
- Powerful Output: Up to 30W dissipation power for full, detailed audio reproduction
- Wide Supply Voltage: Compatible with DC 12V–32V single power supply — flexible for bench builds and embedded systems
- LM1875 IC: Industry-trusted audio amplifier chip known for low distortion and stable performance
- Mono Channel: Clean single-channel output, ideal for standalone speaker drivers or paired stereo builds
- SMD Construction: Compact surface-mount design for easy integration into tight enclosures
- Arduino Compatible: Works seamlessly with Arduino and other popular microcontroller platforms
- Operating Temperature: 0–80°C for reliable performance across a wide range of environments
- No High-Concern Chemicals: Manufactured with no high-concern chemical substances
- Condition: Brand new module, quantity: 1 per order
Specifications
| IC Chip | LM1875 |
| Max Output Power | 30W |
| Supply Voltage | DC 12V – DC 32V (single supply) |
| Channel | Mono |
| Package Type | SMD Module |
| Operating Temperature | 0–80°C |
| Application | Computer, DIY Speaker, Arduino Projects |
| Origin | Mainland China |
| Quantity | 1 piece |
What's in the Box?
- 1 × LM1875 30W Mono Audio Amplifier Board (SMD)
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Frequently Asked Questions
Q: What power supply does the LM1875 30W audio amplifier board require?
A: This amplifier board operates on a single DC power supply ranging from 12V to 32V. This wide input range makes it compatible with a variety of power sources commonly used in DIY electronics, bench builds, and Arduino-based projects.
Q: Is this LM1875 amplifier board compatible with Arduino?
A: Yes! The board is designed to be compatible with Arduino and similar microcontroller platforms, making it an excellent choice for DIY audio projects, custom speaker systems, and electronics prototyping.
Q: Can I use two of these boards to create a stereo setup?
A: Absolutely. Since each board provides a clean mono channel output, you can use two boards — one per channel — to build a full stereo amplifier system for your project.
Q: What is the LM1875 IC chip known for?
A: The LM1875 is a widely trusted audio amplifier IC known for its low total harmonic distortion (THD), stable gain, and ability to drive speakers efficiently at up to 30W, making it a popular choice for DIY hi-fi and embedded audio applications.