Used MXR M101 Phase 90 Effect Pedal

The MXR M101 Phase 90 is a classic analog phaser pedal delivering rich, warm modulation with a single speed control knob for simple operation. Housed in a compact, durable metal chassis, this used unit is in good condition and functions perfectly. It runs on a 9V battery or optional AC adapter and adds iconic swirl to guitar tones—from subtle shimmer to deep swoosh—making it a staple for rock, funk, and beyond.