Electro‑Harmonix EHX Worm: Analog Modulation FX - Phaser, Tremolo, Wah is a phaser, wah, tremolo designed for consistent, musical results on stage and in the studio. It offers straightforward controls for fast, repeatable tones without menu diving. The compact, pedalboard‑friendly format integrates cleanly into modern rigs. Built for reliability, it helps you craft confident parts across rehearsals, sessions and gigs.