Featuring 6- and 12-stage phasing and controls for sweep, resonance and LFO rate/amount, the MoogerFooger MF-103 12-Stage Phaser is the ultimate tool in exploring uncharted phasing territory. Known for their quality construction and expansive capabilities, the MoogerFoogers have been favorited experimental pedals since the line's inception, and the MF-103 is no exception. This is an ideal pedal for prog, psychedelia, or stoner rock.