The Fathom Multi-Functional Reverb features different four reverb program modes: Plate, Hall, Lo-fi, and Sonar, with a control knob labeled “X” to adjust the effect within each mode. Momentary functions can be triggered by pressing and holding Bypass Switch to temporarily activate the effect to add a moment of reverb, or by pressing and holding the Sustain Switch while the pedal is on, to sustain the reverb decay for a dreamy ambient decrescendo.
The pedal is in excellent condition and shows little signs of wear, save for two strips of Velcro on the bottom of the chassis. Its original box is included.