The SH AZ 49 is world's most popular jazz guitar pickup. 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 fingerboard and floats between the body and strings. Shielded single conductor output.SH AZ 49 is a floating jazz-guitar humbucker, completely shielded and vacuum epoxy sealed. The flat frequency response enables every single note to be heard when playing chords.