Seymour Duncan Apollo Jazz Bass Pickup - 4-string Bridge Bass bridge pickup has atraditional look but it deliversbalanced smoothness withextra punch and detail. JB-4B - Passive humbucking bridge pickup for 4-String Jazz bass Colour: BlackVintage outputSplit Coil design in Jazz Bass pickup formatAlnico 5 rod magnetsMaximum string spacing 59 mm9.25 kOhm DC ResistanceShielded 2 conductor lead wireVacuum wax pottedForbon flatworkHand-built in USADeveloped by Seymour Duncan's engineering wizard Kevin Beller, the Apollo Jazz BassLinear Humbuckers use a side by side coil design that gives you a noise free performance in the studio or on stage. The Apollo Jazz