- This easy-to-install set features an accurate sound level indicator, compatible with various audio devices, and supports DC 9V-12V power input. - Experience precise audio measurements with the LM3915 sound level meter DIY kit. The 10-segment LED display provides a clear visual representation of sound intensity, making it easy to monitor levels in real-time. - Constructed from durable PC and metal materials, these sound spectrum analyzers ensure long-lasting performance and reliability for a wide range of applications. - Ideal for electronics enthusiasts, DIY audio device builders, educators, and anyone passionate about sound technology. - Use it in home audio setups to optimize speaker performance, in educational environments to demonstrate sound concepts, or as a tool for music production to achieve the perfect mix. - Dimensions and weight are compact, making it easy to integrate into any workspace or project setup. - With its robust construction and user-friendly design, this sound level indicator set stands out as a valuable tool for anyone looking to enhance their audio experience.