The 3W Mini Audio Stereo Amplifier from DFRobot is a compact and efficient audio solution designed for various applications. It features both left and right channels for stereo sound, making it ideal for projects like robot voice systems and DIY music boxes. With a size of just 24.5 x 15.5 x 3 mm and a 2mm pin pitch, it can be easily embedded into devices.

The amplifier operates in two modes—sleep and working—controlled via the “SW” pin. With a power input range of DC 3.6-5V and an output of 3W, it delivers high efficiency (over 90%) without the need for programming.

Features:

1. Stereo Sound: Supports left and right channels for enhanced audio experience.
2. Compact Design: Small footprint (24.5 x 15.5 x 3 mm) with a 2mm pin pitch, ideal for embedding in devices.
3. High Efficiency: Operates with over 90% efficiency, minimizing power consumption.
4. Dual Operating Modes: Switches between sleep mode (Low) and working mode (High) via the “SW” pin.
5. Power Input: Compatible with DC 3.6-5V power supply, ensuring versatility in various projects.
6. Power Output: Delivers up to 3W of audio power.
7. No Programming Required: Simple control without the need for coding, making it user-friendly for DIY projects.
8. Versatile Applications: Suitable for robot voice systems, DIY music boxes, and sound modifications.