TPA3116D2 Dual Channel Amplifier Board 120W×2 | DC12-26V

TPA3116D2 Dual Channel High Power Digital Audio Amplifier Board – 120W×2 (Model M543)

Upgrade your audio setup with the LOTHYE TPA3116D2 Digital Amplifier Board (M543) — a compact, high-efficiency stereo amplifier module built around the genuine TPA3116D2 chip. Whether you're building a custom speaker system, a car audio rig, or a DIY hi-fi project, this board delivers crystal-clear, high-definition sound with impressive output power in a small footprint.

Why Choose This Amplifier Board?

• Genuine TPA3116D2 Chip: Original IC ensures stable, efficient, and clean amplification every time.
• Front-Facing Preamp IC: Onboard preamplifier IC boosts input sensitivity for enhanced high-definition sound quality.
• Massive Dual-Channel Output: Up to 2 × 120W MAX at DC24V — perfect for demanding audio builds.
• Wide Voltage Range: Operates on DC 12V–26V, giving you flexibility across different power supplies.
• High Signal-to-Noise Ratio: 100dB SNR means exceptionally clean, noise-free audio reproduction.
• Compact Design: Measures just 92 × 68 × 16mm — easy to integrate into any enclosure or DIY project.

Technical Specifications

What's in the Box?

• 1 × TPA3116D2 Digital Audio Amplifier Board
• 1 × Audio Cable

Made in Mainland China.

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Learn more: ENERGY STAR product efficiency guidance

Frequently Asked Questions

Q: What speakers are compatible with the TPA3116D2 amplifier board?

A: The TPA3116D2 amplifier board is compatible with most passive stereo speakers rated for the appropriate impedance (typically 4–8 ohms). At DC24V it can drive up to 2 × 120W, so make sure your speakers are rated to handle the output power you intend to use.

Q: Can this amplifier board be powered by a car battery or 12V DC supply?

A: Yes! The board operates on DC 12V to 26V, making it suitable for car audio builds using a 12V battery (delivering 2 × 50W) as well as home setups using a 24V DC power supply (delivering up to 2 × 120W MAX).

Q: Does the TPA3116D2 board include any heat management?

A: The TPA3116D2 chip features built-in thermal protection circuitry. For sustained high-power use, it is recommended to mount the board with adequate ventilation or attach an optional heatsink to the chip for optimal long-term performance.

Q: What does the onboard front-facing IC do?

A: The onboard preamplifier IC improves the board's input sensitivity, allowing it to work effectively with a wide range of audio sources — from smartphones and laptops to dedicated DACs — while maintaining high-definition sound quality across the frequency range.