The original – redesigned. The SPL DeEsser is unique – and has been since 1996. The Auto Dynamic DeEsser removes undesired sibilant frequencies in a simple and musical way, cancelling out S-sounds without affecting the natural character or timbre of the voice. The newest generation of the DeEsser Mk2 features the same processing qualities as its predecessor, but comes in a new design and has an even better feel due to the solid aluminum knobs. The DeEsser Mk2 offers two mono DeEssers in one 19″ device. Auto-Dynamic DeEsser SPL DeEsser – the revolution of S-sound reduction. The DeEsser uses a unique technology to reduce sibiliance in a mix or on vocal tracks.It automatically detects and hones in on the sibilant frequencies leaving neighboringfrequencies unaffected. These S‑sounds are mixed back into the main signal phase-inverted to cancel out the sibilance. The result is a sound-neutral, inconspicuous and extremely effective process.Even at high S‑Reduction values the de-essing has an egligible effect on the character and timbre of the voice.