M-Tron Pro IV offers an authentic digital recreation of the legendary Mellotron M400, a tape-based keyboard renowned for its iconic sounds featured in classic and modern music by artists such as The Beatles, Led Zeppelin, Radiohead, and Nine Inch Nails. This software delivers an extensive sound library of over 3.5GB, including nearly 200 tape banks and more than 800 presets, many crafted by top recording artists and programmers. Its redesigned, fully-scalable interface with powerful browsing tools makes exploring this vast collection intuitive and inspiring, allowing producers and musicians to effortlessly access unique sonic textures.

M-Tron Pro IV introduces a variety of new features that enhance creative control and performance flexibility. Users benefit from an extended keyboard range with seven additional lower semitones, dual-layer and split-keyboard operation, and comprehensive MIDI Learn support. The addition of tape wow and flutter effects recreates the organic imperfections that define the Mellotron’s character, while amp simulation, state-variable filtering, ensemble effects, and matrix reverb add warmth and depth. Enhanced modulation options, including LFO shaping and expanded polyphonic aftertouch and velocity controls, provide expressive sound shaping capabilities suited for diverse musical styles.

Designed for both studio production and live performance, M-Tron Pro IV can operate as a standalone application, enabling seamless integration with MIDI controllers for onstage use. Its extensive collection of vintage tape sounds combined with modern editing features empowers users to craft unique hybrid patches and explore new creative possibilities. By capturing the essence of the Mellotron’s tape playback within a digital environment, M-Tron Pro IV delivers a distinctive sound experience that brings legendary tones into contemporary music production with ease and precision.