Seymour Duncan Quarter Pound P-Bass 5 String PickupTheres a reason this is our most popular Bass 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 a 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,