TDA7850 4×50W Car Amplifier Board – 4-Channel 12V Audio Module

Upgrade Your Car Audio with the TDA7850 4×50W Amplifier Board

Take your in-car listening experience to the next level with the XH-M180 TDA7850 4-Channel Car Amplifier Board. Delivering a total output of 4×50W at 12V DC, this compact PCB module is engineered for audiophiles who demand crisp, powerful, and immersive sound from every speaker in their vehicle.

Why Choose the TDA7850 Amplifier Board?

• High-Power 4-Channel Output: 4×50W ensures rich, balanced audio across all four speakers simultaneously for a truly immersive soundstage.
• Switchable Channel Mode: Easily toggle between two-channel and four-channel output to suit your system setup and preferences.
• Low Noise Circuitry: Optimized circuit design minimizes interference and background hiss, delivering cleaner, clearer audio at every volume level.
• Wide Output Impedance Range: Compatible with speakers rated at 4–8Ω for broad system versatility.
• Compact & Easy to Install: The slim PCB form factor fits neatly into most car audio enclosures and DIY builds without the bulk of a traditional amplifier unit.
• Durable PCB Construction: Built for lasting reliability with quality components that stand up to the demands of automotive environments.

Technical Specifications

What's in the Box?

• 1× TDA7850 Audio Amplifier Board (XH-M180)

Note: Only the item listed above is included. Color may vary slightly from images due to screen calibration differences. Measurement tolerance is ±1–3 cm.

Perfect For

• Car audio system upgrades and DIY builds
• Audiophiles looking to boost speaker output in their vehicle
• Custom automotive sound installations
• Hobbyist electronics and 12V audio projects

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Frequently Asked Questions

Q: What chip does this car amplifier board use, and what does that mean for sound quality?

A: The board is built around the TDA7850 chip, a high-performance audio IC well-regarded in car audio applications for its low distortion, high output power, and clean signal amplification — delivering noticeably improved audio clarity and volume over factory head units.

Q: Can I use this amplifier board with my existing car speakers?

A: Yes. The TDA7850 board supports an output impedance range of 4–8Ω, which covers the vast majority of standard car speakers. As long as your speakers fall within that impedance range and your vehicle provides a stable 12V DC supply, this board is compatible.

Q: Is this board suitable for DIY and custom car audio installations?

A: Absolutely. Its compact PCB form factor, straightforward 12V input, and switchable two/four-channel mode make it an excellent choice for custom builds, DIY audio enthusiasts, and anyone looking to integrate a high-power amplifier into a bespoke car audio setup.

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.