Audio Spectrum Analyzer Board VFD Sound Level Spectrum Vacuum Fluorescent Display 32Hz-20KHz Meter VU Meter Screen Display

【Accurate music spectrum analyzer and clock display】: The dedicated VFD display ensures the accuracy of each frequency band and provides a high-precision clock display. 【Wide frequency range display and 5mm AUXMIC input】: Supports a wide frequency sweep and is equipped with 3.5mm AUX and sensitive MIC pickup for wireless connections. 【Special AGC and spectrum output curve】: Provides for ideal visual effects and offers multiple display modes for different usage needs. 【Multiple adjustable items and display effects】: Allows adjustments of brightness, main light beam falling speed, peak holding time, and falling speed. Supports various display modes and has a power-off memory function. 【Frequency division amplification curve function and noise filtering】: Offers different frequency division and amplification curve modes for visual effects. Provides one-click noise filtering function for sound .