Description
The MXR WA90 is Zakk Wylde’s take on the classic MXR phase shifter, tuned to keep pace with his signature blend of pinch harmonics, pull-offs, and wide vibrato. Rather than smoothing everything into a wash, this phaser layers subtle dimension underneath fast runs, giving blazing solos a sense of movement while leaving pick attack and note definition intact.
- Place it after your gain stages for a classic “solo boost” swirl, or run it earlier in the chain for a gentler, more textural sweep
- Works equally well on rhythm tones, adding shimmer to sustained chords or arpeggios
- Housed in MXR’s rugged, pedalboard-friendly enclosure with true-bypass switching to keep your tone pure when off
Power it with a single 9-volt battery (accessible by removing the bottom plate), a 9-volt AC adapter such as the Dunlop ECB003, or an MXR Brick Series power supply, whichever fits your board’s setup best.
Marking two decades of Zakk Wylde’s partnership with Wylde Audio, this phaser is built for players who want their leads to breathe and swirl without losing the razor-sharp edge that defines his sound.







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