... Tablet PC, Earphones & Headphones, Speakers, Car Electronics, Memories and computer accessories. Wherever fun is needed, 3WELL is there! ... by musical legends like The Beatles, Tom Petty and the Heartbreakers, The rolling Stones, and countless more. Change Effects UnitsEffects ... range from a simple spring reverb (with adjustable length and tension of the spring) through delays, chorus, gates, ...