Rockett Pedals Immortal EchoWe wanted to create a vintage style echo with full controls, but in a housing for any board size! With an all analog dry signal and warm repeats the Immortal Echo has an addictive ethereal sound that makes the delayed notes musical. We surveyed many Nashville touring players about what added feature they would like to see and almost everyone said Tone Control. We listended and did! Dimensions: Coming Soon 9 volt Negative tip adaptor and a 5. 5mm x 2.