Boss MEX Multi-Effect Expandable Pedal
ME-X Expandable Multiple Effects Case.
(any six effects can be used simultaneously)
The ME-X lets you combine eight pro-quality onboard digital effects with three BOSS Compact Pedals. Compact pedal on/off status and onboard effects parameter settings can be stored as a Patch and 25 Patches can be memorized.
Tempo delay puts delay time in sync with the song tempo.