What this is - A new condition kit that functions as an audio spectrum analyzer and an audio level display. It is designed as a kit model for hands on assembly and testing. Power and compatibility - Supply voltage: DC 9-12V - Condition: New - Model: kit Key benefits - Real time spectrum visualization helps you understand the frequency content of any audio signal. - Audio level display allows you to monitor signal levels and prevent distortion or clipping. - Compact kit format provides a practical, entry level tool for learning, testing, and professional use. What you get and how it helps - Function: audio spectrum analyzer and audio level display in a single unit - Suitable for hobbyists, students, and professionals who need a visual and quantitative view of audio signals - Consistent with the specified model and functions for reliable performance Use scenarios - Home studio monitoring: visualize frequency balance while recording or mixing to inform EQ decisions - Live sound rehearsal or small venue setup: monitor signal levels in real time to maintain headroom and avoid clipping - Educational or prototyping environment: use the kit to learn how spectrum analysis and level measurement work in practice Notes - Power supply must be within the specified DC range of 9 to 12 volts to operate correctly.