TDR SlickEQ – M (Mastering Edition) is a sophisticated stereophonic equalizer designed specifically for mastering engineers seeking exceptional musical flexibility and pristine audio fidelity. Building on the proven foundations of the SlickEQ series, this edition offers an intuitive interface that conceals a powerful suite of features tailored for detailed tonal and spatial control. Its design prioritizes high-quality sound processing without compromise, making it an essential tool in professional mastering workflows.

The equalizer provides comprehensive control over the signal bandwidth with musical high-pass and low-pass filters, including a dedicated low-frequency mono section to refine stereo imaging. Six parametric filter bands operate in a parallel EQ configuration, delivering precise adjustments to tone, timbre, and stereo balance. The Meta Filter adds an innovative dimension by enabling direct manipulation of brightness, hardness, or equal loudness contours, enhancing the overall musicality of the sound. Additionally, the EQ features advanced nonlinearity inspired by inductor filter characteristics, contributing to its unique sonic character.

Beyond its tonal shaping capabilities, SlickEQ – M incorporates intelligent processing tools to streamline mastering tasks. Auto gain compensation maintains consistent perceived loudness during adjustments, while smart signal analysis functions assist in matching input spectra to reference signals and optimizing filter settings based on audible bandwidth. The plugin also includes a real-time spectrum analyzer that visualizes the stereo image and frequency content, supporting precise and informed decisions. A comprehensive set of workflow enhancements such as undo/redo, A/B comparison, and advanced preset management further elevate its usability in professional environments.