Limiter No6 is a free modular limiter designed specifically for mastering applications. It combines multiple processing modules to provide comprehensive control over audio dynamics, making it a valuable tool for refining final mixes. Its architecture includes components such as an RMS compressor, peak limiter, high-frequency limiter, clipper, and true peak limiter, allowing detailed shaping of sound with precision.

The plugin offers both brickwall and soft limiting modes with adjustable timing parameters, enabling users to tailor the limiting characteristics to their preferences. It supports mid/side and multiband processing, which enhances its capability to manage different frequency ranges and stereo imaging effectively. This flexibility ensures that the limiter can address various mastering challenges with accuracy and finesse.

Limiter No6 also features optional 4x oversampling and true inter-sample peak limiting, ensuring high-quality signal integrity and preventing distortion during the limiting process. The interface includes analog-style metering for intuitive visual feedback and provides two distinct graphical user interfaces to suit different workflow preferences. Overall, it delivers a professional mastering solution without any cost.