TDA7294 100W Hi-Fi Mono Amplifier Board | DIY Audio Module

TDA7294 100W Hi-Fi Mono Amplifier Board

Take your DIY audio projects to the next level with this high-performance TDA7294 Mono Amplifier Board. Built around the renowned TDA7294 chip, this audiophile-grade module delivers clean, powerful, high-fidelity sound — perfect for home audio builds, speaker projects, and electronics enthusiasts who demand the best.

Key Features

• Premium TDA7294 Chip: Industry-trusted IC for high-power, low-distortion audio amplification.
• High Output Power: 85W rated undistorted output with peak power reaching 100W (mono).
• Large Electrolytic Capacitors: 50V-rated, 2200μF capacitors for stable, clean filtration and reliable performance.
• Flexible Supply Voltage: Compatible with dual 12–36V toroidal transformers; dual 32V toroidal transformer recommended for optimal output.
• Speaker Compatible: Drives speakers rated 100W or higher with ease; supports 4–8 ohm impedance.
• Low Power Consumption: Efficient design minimises energy waste without compromising audio quality.
• High-Quality Construction: Built with premium components for assured durability and consistent performance.
• Ideal for DIY Builds: Perfect for audio hobbyists, electronics enthusiasts, and custom speaker system builders.

Technical Specifications

⚠️ Important Safety Precautions

• Heat sinks are mandatory. Operating this board without a properly fitted heat sink will cause severe overheating, which may result in component burnout or damage.
• Must use a three-wire toroidal transformer (dual 12–32V acceptable). Heat sinks must be attached manually before use.
• DC power supplies and batteries are not compatible — connecting them will damage the module. Dual DC or dual battery configurations are also unsuitable.

What's in the Box

• 1 x TDA7294 Mono Amplifier Module Board

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Frequently Asked Questions

Q: What power supply does the TDA7294 amplifier board require?

A: This amplifier board requires a dual-rail AC toroidal transformer. A dual 32V toroidal transformer is recommended for optimal performance, though dual 12–36V transformers are also compatible. Do not use DC power supplies or batteries, as these are incompatible with this module.

Q: Does the TDA7294 board require a heat sink?

A: Yes, a heat sink is absolutely required. The board must never be operated without a properly fitted heat sink, as the TDA7294 chip generates significant heat at high power levels. Failure to fit a heat sink can result in overheating and permanent damage to the board.

Q: What speaker impedance is compatible with this amplifier module?

A: This mono amplifier board supports speakers with an impedance of 4 to 8 ohms. It is capable of driving speakers rated at 100W or higher, delivering up to 85W of undistorted rated power with a peak of 100W.

Q: Is this amplifier board suitable for DIY home audio projects?

A: Absolutely. The TDA7294 mono amplifier board is specifically designed with DIY audio enthusiasts in mind. It provides audiophile-grade, high-fidelity sound reproduction and is an excellent foundation for custom speaker builds, home audio systems, and electronics hobby projects.

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.