Power supply: DC 9V-12V Features: Audio Analyzer, Audio Level Indicator Model: DIY kit Condition: New The DIY kit provides a simple, reliable way to analyze audio signals and monitor their levels. Powered by a DC supply in the range of 9-12V, it is compatible with common power sources. This new kit is designed for self-assembly, ideal for hobbyists and learners who want hands-on experience with audio measurement tools. Key benefits - Function: Audio Analyzer and Audio Level Indicator allow you to assess signal presence and amplitude in real time. - Compatibility: Uses standard DC 9-12V power sources. - Setup and learning: DIY kit encourages hands-on assembly and practical understanding of audio signal testing. - Performance: Provides direct visual indication of audio levels to support debugging and verification. Use scenarios - Prototyping an audio amplifier or effects module: verify that a signal is present and within expected levels during development. - Bench testing of audio gear: monitor levels while testing mixers, DACs, or preamps. - Educational projects: learn how audio signals are analyzed and displayed.