Versatile Input OptionsVFD Display Music Sound Visualizer supports both 3.5mm AUX and MIC input, allowing for wired and wireless connections, enabling the capture of nuanced audio detailsPrecise Clock FunctionAK2515 Pro Audio Spectrum Analyzer equipped with an SD3078 crystal oscillator providing 3.8ppm accuracy, with a monthly error within 10sec, with support for date and time display and 5 clock modesNoise FilteringCar Audio Home Audio Spectrum Analyzer equipped with a noise filtering function to significantly improve sound clarity, suitable for various environments, and it offers modes like auto, deep sleep, music spectrum, and clock display to optimize audio analysisExtensive FrequencyAK2515 Pro Audio Spectrum Analyzer provides a broad 32Hz-16kHz frequency sweep for high-precision frequency point testing, catering to detailed audio analysisAdvanced AGC & Spectrum Algorithm includes a special AGC and spectrum algorithm to optimize visual effects across a wide range of input signals, enhancing the clarity and usability of the displayHigh-Resolution VFD DisplayAK2515 Pro Audio Spectrum Analyzer features a 25x15 high-resolution VFD for accurate frequency band representation, ensuring clear visualization of audio dataAdjustable Gain & Display ModesVFD Display Music Sound Visualizer allows switching between -10/-5/-3/-1/0dB gain settings and offers 3 display modes for customized analysis, along with customizable settings for brightness and peak holding