Used MXR M101 Phase 90 Effect Pedal

The used MXR M101 Phase 90 offers classic four-stage phasing with a simple one-knob control for rate adjustment, delivering rich, warm modulation perfect for guitar, bass, or keys. In good condition, this stompbox features durable construction, true bypass switching, and operates on a 9V battery or optional power supply. Whether adding subtle movement or sweeping swooshes, it’s a versatile effect that has shaped countless iconic tones.