Spires

Nü-Face Double Fuzz

Channel Switch: Selects between Red (Dream Crusher) and Green (Nu Fuzz) channels

Activate Switch: Turns the effect on and off

Green Controls
Tone: Changes the tonal character of the fuzz. Darker counterclockwise, brighter clockwise.
Green: Sets the output level when the green LED is lit.

Red Controls
Fuzz: Adjusts the fuzz amount, dirtier clockwise, cleaner counterclockwise
Red: Sets the output level when the red LED is lit.

https://www.earthquakerdevices.com/spires