Electro Harmonix Flatiron FuzzThe stellar sound of the Flatiron Fuzz is a result of its classic, late 70s style circuitry and the fact that it delivers symmetrical hard clipping. The Flatiron Fuzz features three controls: Volume, Drive and Filter. Volume sets the output level while Drive adjusts the amount of sustain and distortion. The unique Filter control is actually a low pass filter with a movable cut off frequency. This is especially cool because it lets you dial in just the