SpectrumAnalyzer is a powerful spectrum analyzer plugin designed to reveal the spectral content of your audio material, assisting you in crafting more polished and balanced mixes. Available in both free and full versions, it offers a range of features tailored to meet the needs of audio professionals and enthusiasts alike. Its dual-engine design combines a Fast-Fourier-Transform (FFT) with an analog-style band-pass filter system, enabling simultaneous use to take advantage of precise frequency resolution and enhanced time resolution.

This plugin includes intelligent peak detection that automatically identifies resonant frequency peaks within your signal, making it easier to spot problematic frequencies. A snapshot function allows you to save and compare spectral profiles between different projects or tracks, while integrated VU-Meters provide peak and RMS measurement alongside a Stereo Correlation Meter for assessing stereo image. The unique auxiliary feature enables audio routing between multiple SpectrumAnalyzer instances, so you can monitor various subgroups in one place by switching between aux channels, a functionality especially useful in complex mixes.

SpectrumAnalyzer offers extensive customization options, including adjustable FFT size and windowing, filter steepness and bandwidth for the analog-style analyzer, as well as time resolution and release speed settings. Additional controls cover peak hold, spectral RMS integration, mid/side signal detection, and two spectral smoothing algorithms. Users can also personalize the visual experience by adjusting colors, display range, slope, GUI size, and applying gradient or shadow effects. These features make SpectrumAnalyzer a comprehensive tool for visualizing and understanding your audio spectrum in detail.