Product Name: 2.0 Stereo Amplifier Board Product Model: FE-2025-2.0K Key Features: 1. Versatile Power Options: Works with both AC 5-9V and DC 5-12V power supplies, giving you flexible setup choices for different projects. 2. Clear & Balanced Sound: Delivers 3W + 3W output power, perfect for driving 1-3 inch full-range speakers (2-10W) with clean, distortion-free stereo audio. 3. Wide Compatibility: Easily connects to speakers with an impedance of 4-16 ohms, making it a great match for most common small speakers. 4. Compact & Durable Design: Made from sturdy blue plastic, this board measures just 55x38mm—small enough to fit into tight spaces while staying reliable. 5. Easy to Use: Ready to wire up right out of the box, with a straightforward design that hobbyists and DIYers will appreciate. Product Details: This 2.0-channel stereo amplifier board is built around an optimized TEA2026B chip, delivering enhanced sound quality with minimal noise. It’s ideal for upgrading portable speakers, DIY audio projects, small sound systems, or educational electronics kits. The board provides stable performance and efficient power use, ensuring your audio comes through loud and clear. Specifications: - Working Voltage: AC 5-9V or DC 5-12V - Output Power: 3W + 3W (supports 1-3 inch 2-10W full-range speakers) - Matching Impedance: 4-16 ohms - Color: Blue - Material: Plastic - Size: 55mm x 38mm - Package Contents: 2 x Amplifier Audio Board Only the above package content is included. Other products are not provided. Note: Slight color variations may occur due to lighting and screen differences. Allowable size error is +/- 1-3cm.