Seymour Duncan USA SH-2N Jazz Humbucker Electric Guitar Neck Pickup BlackWelcome, you are looking at a great piece. This is the Seymour Duncan SH 2N Jazz Model Humbucker Pickup. Wiring: 4 Conductor Magnet: Alnico 5. DC Resistance: 7. 24k Ohm. "Originally designed as the matching neck pickup for the JB Model bridge pickup, the Jazz is an incredibly versatile humbucker that will work for almost any style of music. An Alnico 5 bar magnet and a special coil wind give it a glassy treble response and full, tight bass, while