Attila Zoller floating jazz guitar humbucker. The world most popular jazz guitar pickup. Designed by Attila Zoller and used by most top jazz players. It features a unique "wide" string sampling field that produces a warm jazz tone with precise, clear sound. Iron cores are trimmed to provide balanced string output and clear string definition when playing chords. Coils are fully shielded and vacuum epoxy sealed for reliable, noise-free performance. Attaches to the finger board and floats between the body and strings. Shielded single conductor output.