Marius de Vries

It can be seen in the eleventh photo, captioned "Some of Marius de Vries' outboard gear. From top: Digitech Vocalist II effects, Yamaha SPX900 multi‑effects, Alesis Quadraverb GT and Quadraverb multi‑effects, Mutronics Mutator compressor, Avalon input channel, Yamaha REV7 multi‑effects, Alesis 3630 compressor and Tascam DA30 DAT recorder."

It can be seen in the eleventh photo, captioned "Some of Marius de Vries' outboard gear. From top: Digitech Vocalist II effects, Yamaha SPX900 multi‑effects, Alesis Quadraverb GT and Quadraverb multi‑effects, Mutronics Mutator compressor, Avalon input channel, Yamaha REV7 multi‑effects, Alesis 3630 compressor and Tascam DA30 DAT recorder."

It can be seen in the eleventh photo, captioned "Some of Marius de Vries' outboard gear. From top: Digitech Vocalist II effects, Yamaha SPX900 multi‑effects, Alesis Quadraverb GT and Quadraverb multi‑effects, Mutronics Mutator compressor, Avalon input channel, Yamaha REV7 multi‑effects, Alesis 3630 compressor and Tascam DA30 DAT recorder."

It can be seen in the eleventh photo, captioned "Some of Marius de Vries' outboard gear. From top: Digitech Vocalist II effects, Yamaha SPX900 multi‑effects, Alesis Quadraverb GT and Quadraverb multi‑effects, Mutronics Mutator compressor, Avalon input channel, Yamaha REV7 multi‑effects, Alesis 3630 compressor and Tascam DA30 DAT recorder."

It can be seen in the eleventh photo, captioned "Some of Marius de Vries' outboard gear. From top: Digitech Vocalist II effects, Yamaha SPX900 multi‑effects, Alesis Quadraverb GT and Quadraverb multi‑effects, Mutronics Mutator compressor, Avalon input channel, Yamaha REV7 multi‑effects, Alesis 3630 compressor and Tascam DA30 DAT recorder."

It can be seen in the eleventh photo, captioned "Some of Marius de Vries' outboard gear. From top: Digitech Vocalist II effects, Yamaha SPX900 multi‑effects, Alesis Quadraverb GT and Quadraverb multi‑effects, Mutronics Mutator compressor, Avalon input channel, Yamaha REV7 multi‑effects, Alesis 3630 compressor and Tascam DA30 DAT recorder."

It can be seen in the eleventh photo, captioned "Some of Marius de Vries' outboard gear. From top: Digitech Vocalist II effects, Yamaha SPX900 multi‑effects, Alesis Quadraverb GT and Quadraverb multi‑effects, Mutronics Mutator compressor, Avalon input channel, Yamaha REV7 multi‑effects, Alesis 3630 compressor and Tascam DA30 DAT recorder."

Marius de Vries, a renowned composer and music producer, is confirmed to use the Eventide DSP4000 UltraHarmonizer as part of his recording setup. This information is supported by a detailed feature on de Vries' work and equipment preferences published by Soundonsound, in an article titled "MARIUS DE VRIES: Launching A Massive Attack On Madonna." The Eventide DSP4000 UltraHarmonizer is listed among other critical pieces of gear that contribute to his distinctive sound in studio recordings.

Marius de Vries, a renowned composer and music producer known for his work across various genres, utilizes the TC Electronic FireworX Multi Effect Processor as part of his studio recording setup. This detail is substantiated by an article titled "MARIUS DE VRIES: Launching A Massive Attack On Madonna" published by Soundonsound, which provides an in-depth look into de Vries' equipment preferences and production techniques.