Kn0ck0ut is an audio processing tool designed to work with two mono inputs at 44.1kHz, performing spectral subtraction by removing one signal from another. This technique enables users to isolate specific elements within a mix by comparing a full track with its instrumental counterpart.

This plugin is particularly useful for extracting vocals from a song when an instrumental version or section is available. By subtracting the instrumental audio from the full mix, Kn0ck0ut helps reveal the vocal components, making it a valuable resource for remixers, producers, and DJs seeking vocal acapellas.

The straightforward approach of Kn0ck0ut offers an effective solution for audio separation without complex processing. Its capability to isolate vocals enhances creative possibilities by providing clean vocal tracks for sampling, mashups, or further production work.