The EHX Grand Canyon is Electro-Harmonix's most advanced multifunction delay and looper pedal. It’s equipped with 12 effect types plus a fully featured looper capable of recording and overdubbing the Grand Canyon’s effects. 1. ECHO – pristine 24-bit digital delay with available bit crush/sample rate reduction and low/high pass filtering 2. MOD – Modulated delay, yields rich flanger, chorus, vibrato, warble and more 3. MULTI – Multi-tap delay, set the exact number of echo repeats up to 31. Includes adjustable swell or decay volume envelopes on repeats. 4. REVERSE – Reverse delay, an easy-to-use reverse delay with an intelligent pick detection algorithm for great sounding reverse echoes 5. DMM – Deluxe Memory Man, re-creates the luscious tone of EHX ‘s legendary bucket-brigade delay pedal 6. TAPE – Tape Delay, simulates the organic sound of an analog tape, echo machine including tape distortion, wow and flutter 7. REVERB – Plate reverb plus echo. A reverberant echo where each repeat is followed by a wash of gorgeous plate reverb. Can also be used as a pure reverb without the delay 8. PITCH – EHX’s critically acclaimed polyphonic pitch shifting plus digital delay provides pitch-shifted echoes and cascading echo repeats 9.SHIM – Shimmer generates a rich octave-shifted wash of shimmering soundscapes 10. SAMPLE/HOLD – Sample and hold, senses a note being played and produces echoes indefinitely until another note is detected 11. DRUM – Magnetic drum echo that faithfully emulates a classic Binson Echorec style delay. Features an assortment of playback head configurations that let you create musical, rhythmic, echo patterns 12. DOUBLE – Thickens up a mono signal or creates a stereo spread. Includes detune and delay time offset of the left and right outputs 13. LOOPER – Looper with up to 16 minutes of recording time. Includes unlimited overdubs, undo/redo, dedicated stop button, loop fade-out, reverse and speed adjust.