For Ultra Clear Audio Power Board PAM8403 chip based amplifier delivering 5W per channel stereo output for rich sound quality in DIY speaker projects. Compact size and clear mounting options: 45 x 42 x 25 mm body with mounting holes spaced 38 x 35 mm, suitable for various audio enhancements while traveling. Designed to provide clear, audio from compact electronics. For 5.0 Power Supply Compatibility Compatible with 5V DC power sources to maintain stable performance in home, automotive, or industrial settings. Metal resin construction provides lasting durability and helps prevent overheating, delivering reliable audio amplification. Quality Components And Mechanism Built around a PAM8403 chip with electronics to guarantee clear audio amplification. Twochannel stereo design supports versatile applications, from wireless speakers to custom audio systems. Lightweight design, weighing 22 g, for easy integration. Provides 4x magnification in amplification as part of its design. For Easy Installation And UserFriendly Design Straightforward setup with included instructions, making it suitable for beginners and experienced builders alike. Standardized dimensions and simple wiring connections enable quick assembly and help avoid installation errors. Aims to deliver professional results in DIY projects with minimal effort. Use scenarios Portable DIY stereo speaker: Integrate with a compact enclosure and a compatible audio source to create a lightweight, twochannel amplified speaker. Small home audio upgrade: Use in a compact audio system or custom speaker project to improve sound with a dedicated 5V powered amplifier. Automotive or mobile installation: Integrate into vehicles or mobile devices that have a 5V power supply to enhance onboard audio without adding bulk.