Despite its simplicity, this pedal has become an icon among modulation effects. Famous guitarist proponents include Slash, Paul Gilbert, and the maestro Eddie Van Halen. Need we say more?

NAMM 2025: Walrus Audio has lifted the curtain on the Qi Etherealizer – a feature-rammed modulation pedal that has been developed in top secret over the past year with the help of Yvette Young.