Features: The TDA2822M mini auxs 2.0 double channel stereo amplifier module delivers 1.5Wx2 stable output with high efficiency audios amplification, perfect for compactly DIY electronics and for projects. Featuring a 2V-12V wide voltages input ranges, 3.5mm auxs port for seamlessly device connectivities, and a builts in volumes control knob for precise audios adjustments. Design for electronics hobbyists, DIY enthusiasts, and audios project developers seek reliable stereo amplification in small scale applications. Ideal for integrating into portable speakers, educational electronics set, or home audios setups requiring clear double channel sound reproduction. Its compactly design with labeled pinouts simplifies installation for systems, robotics, or customs audios circuits while maintaining clear stereo separation. Specifications: Component:Plastic Size:Approx.52x32mm/2.04x1.25inch Option Type:1pc,3pcs; voltages: DC2V to 12V Channel Type: 2Channel Output Power: 1.5Wx2 Load type: 4~32ohms Applicable scenario:for project: Perfectly matching with the development board, it is used to realize the audios playbacks function, making the project more clear. Package Includes: Pacakge A 1pc TDA2822M audios Amplifier Board Pacakge B 3pc TDA2822M audios Amplifier Board note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.