The Sonoris Parallel Equalizer (SPEQ) is a minimum phase parametric equalizer designed with a unique parallel architecture that makes it ideal for both mixing and mastering applications. Its seven bands include fixed filter types, where bands two through six operate in parallel, providing distinct control over the sound spectrum. This parallel design connects filters in a feedback and feedforward manner, enabling precise cutting and boosting. The equalizer features constant-Q bell filters, shelving filters, and low/high cut filters, all working together to shape audio with clarity and accuracy.

Unlike conventional series equalizers where band gains simply add up, the parallel setup of the SPEQ results in subtler interactions between bands, requiring more nuanced adjustments to achieve the desired tonal balance. This approach prevents excessive boosting and maintains a cleaner signal path since all filters process the same input simultaneously. The equalizer is engineered for accurate frequency response up to the Nyquist frequency, ensuring transparent sound quality without pre-warping effects. Its design encourages careful fine-tuning, making it a powerful tool for precise audio shaping.

The SPEQ features a large, scalable graphical interface that visualizes the exact equalization curve with draggable handles for detailed control. Users can adjust the plugin size to their preference and benefit from multiple zoom levels and high-resolution metering. Additional conveniences include soft engage technology to prevent switching noise, mouse wheel support, A/B comparison for quick setting evaluations, and full automation capabilities. This combination of intuitive design and advanced functionality makes the Sonoris Parallel Equalizer a reliable and high-quality choice for audio professionals.