EHX Deluxe Memory Man 550TT

550 stands for its maximum delay time in milliseconds and that's the same spec as the classic Deluxe Memory Man. 

EHX Deluxe Memory Man 550TT

Tap Tempo guarantees you're always in sync with the groove, wherever a performance (or your rhythm section) takes you 

Five Tap Divide subdivisions deliver rhythmic variation while an Expression Pedal input provides real-time player control over Blend, Rate, Depth, Feedback and Delay

The FX Loop lets you insert effects into your wet signal without changing your dry signal