Photo 1 of Generic VFD Audio Spectrum Analyzer, Vacuum Fluorescent Display Music Spectrum Analyzer, 25-Band Music Spectrum Level, Audio Indicator Rhythm Analyzer, 10 Display Modes

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Photo 1 of Generic VFD Audio Spectrum Analyzer, Vacuum Fluorescent Display Music Spectrum Analyzer, 25-Band Music Spectrum Level, Audio Indicator Rhythm Analyzer, 10 Display Modes