Theres 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.