CS-5501 is a comprehensive channel strip plugin designed to enhance audio mixing with a suite of professional processing tools. It features dual 7-band EQs, noise gates, expanders, compressors with multiple design options, de-essers, limiters, and saturation modules. Each component supports full dual mono processing and offers flexible routing, allowing users to configure serial or parallel signal paths to suit their workflow.

The plugin includes advanced metering tools such as input/output level meters, gain reduction displays, and various peak and RMS indicators alongside a DAW-synced oscilloscope and spectrum analyzer for precise monitoring. Additional features like perceptual loudness matching powered by ABLM Lite, gain freezing, and extensive side-chain support enhance control over the audio signal. Users benefit from convenient functions including module parameter linking, copy/paste settings across instances, undo/redo, and preset management with the ability to save module-specific presets.

CS-5501 also offers a modern and user-friendly interface with a large, scalable GUI that supports selectable color themes and efficient CPU usage through smart silence processing. Its 64-bit internal processing ensures high-quality sound performance, while features like input/output fader linking, phase inversion, and mono mode on stereo channels provide additional flexibility. Comfort functions such as soloing, signal monitoring, and parameter randomization make this plugin an essential tool for precise and creative audio production.