For bassists, the Quarter Pound for P-Bass SPB-3 by Seymour Duncan is a high-output true single-coil pickup.
Large diameter alnico 5 rod magnets and a high output coil wind deliver the most tone and attitude you could ever want in a P-Bass pickup.
Seymour Duncan Quarter Pound for Jazz Bass SJB-3 Features:
Single-coil
Designed for Precision Bass
High-output
Strong attack
Color: Black
There's a reason this is our most popular Basslines pickup massive tone. The QP has a fat, punchy tone that pushes P-bass pickups past previous models with design and frequency improvements. The quarter-inch diameter pole pieces expand the magnetic field and extend the frequency ranges for fat, full, punchy sound with tremendous mid-range presence and maximum output. Though often used for heavy rock tones, this pickup gives amazing tonal versatility, making it a favorite across the board in live and studio settings.
This pickup is a drop-in replacement for any American Standard Precision Bass.
Hand built in Santa Barbara, CA, the Quarter Pound for P-Bass uses diameter alnico 5 rod magnets, Forbon flatwork, and is vacuum wax potted for squeal free performance. Comes with black covers.

Specs:

Type - P Style
Active/Passive - Passive
Magnet Material - Alnico
Number of Strings - 4
Position - Bridge
The Quarter Pound for P-Bass SPB-3 works well with warmer toned ash, alder, or basswood body instruments, and works especially well with rosewood fingerboards.