The Walrus Audio Fathom is a multi-function reverb pedal with four distinct reverb modes: Hall, Plate, Lo-fi, and Chorale. The X knob morphs between sub-variants within each mode, and a dedicated Freeze footswitch sustains infinite reverb tails on demand. Mix, Decay, and Filter controls give precise shaping of the reverb sound. From lush halls to degraded lo-fi washes, the Fathom covers a wide range of ambient reverb territory in a compact footprint. This unit is in Excellent condition — essentially free from blemishes and stored with care.