The 2X10W Audio Class-D Amplifier is a compact and efficient stereo audio amplifier module designed for hobbyists, DIY enthusiasts, and professionals seeking high-quality sound reproduction in space-constrained applications. Based on a CMOS Class-D amplifier design, this board delivers 10W+10W of output power into 8Ω speakers with exceptional efficiency and low distortion. Its versatile voltage range and comprehensive protection features make it ideal for portable audio projects, DIY speakers, automotive installations, and battery-powered multimedia systems.
Key Features:
- Compact Design: Board dimensions approximately 40×40×22mm (including volume control knob), perfect for integration into small enclosures.
- Easy Connectivity: Screw terminal connectors for speaker outputs—no soldering required for speaker connection.
- Integrated Volume Control: On-board potentiometer with 6mm shaft diameter for convenient audio level adjustment.
- Versatile Power Supply: Operates on any DC voltage from 7.5V to 15V (12V recommended), with centre-positive connector.
- Audio Input: Standard 3.5mm stereo jack for easy connection to phones, tablets, computers, and audio sources.
- Built-in Noise Cancelling: Integrated noise cancelling circuit for cleaner audio output.
- Power and Mute Control: Dedicated connectors for external power switch and mute switch implementation.
- No Pop Noise: Clean power-on and power-off operation without annoying popping sounds.
- High-Quality Audio: Frequency response of 20Hz to 50kHz for faithful sound reproduction across the audio spectrum.
- Output Power: 10W+10W stereo output into 8Ω speaker loads at 12V supply voltage.
- High Efficiency: CMOS Class-D amplifier topology achieves 90% efficiency, minimising heat generation and extending battery life.
- Low Distortion: Excellent THD+N performance ensures high-fidelity sound quality.
- Speaker Compatibility: Supports 4-8Ω speaker loads (8Ω recommended for optimal performance).
- Low Quiescent Current: Only 20mA standby current consumption for battery-friendly operation.
- Comprehensive Protection: Short-circuit current protection, under-voltage lockout, and over-temperature protection (thermal shutdown at 140°C±15°C).
- Amplifier Class: Class-D architecture for maximum power efficiency and minimal heat dissipation.
Applications
- DIY Audio Projects: Perfect for building custom speakers, boom boxes, and desktop audio systems.
- Portable Electronics: Ideal for battery-powered applications including portable speakers and outdoor audio devices.
- Automotive Audio: Suitable for car audio upgrades and mobile installations requiring compact amplification.
- Educational Use: Excellent teaching tool for electronics courses covering audio amplification and Class-D topology.
- Home Projects: Great for enhancing computer speakers, creating multi-room audio systems, or upgrading existing audio equipment.
Why Choose the 2X10W Audio Class-D Amplifier? This amplifier module combines professional-grade audio performance with hobbyist-friendly features in an incredibly compact package. Its high efficiency and comprehensive protection circuits ensure reliable operation, whilst the screw terminals and integrated volume control make installation straightforward even for beginners. Whether you’re building a portable speaker system or upgrading existing audio equipment, this Class-D amplifier delivers exceptional sound quality and versatility at an outstanding value.





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