Walrus Audio Descent Reverb/Octave Machine Pedal Three reverb modes: Hall, Reverse and Shimmer Feed +1 and -1 octaves into reverberated signal Dry Mix, Reverb Time, Diminish, Tweak, Wet Mix, Dry Signal, -1 and +1 controls Remote, Expression, Left Out, Right Out and In jacks Dimensions: 5 5/8 x 4 5/8 x 1 9/16 The use of an isolated power supply is recommended for powering all Walrus Audio Pedals. Daisy chain power supplies are not recommended. The Descent is a three mode reverb system; hall, reverse, and shimmer In each mode, the user has the ability to feed +1 and -1 octaves into the reverberated signal The Hall mode will feature a classic reverb sound that can move your signal from a small-room-echo to a haunting long hall- echo The Reverse mode smoothly flips your signal to playback unique responses and can be manipulated with pre-delay time controls