This Aguilar 4PJHCSET Vintage-Style PU Combo Pickup Set features the articulate, deep, and crisp, vintage inspired combination of an AG 4P-60 Precision bass pickup and the silent, hum-cancelling AG 4J-HC Jazz Bass bridge pickup. The AG 4J-HC pickup, enables you to enjoy the deep, resonant tone of a Jazz Bass pickup without any 60-cycle hum. The AG 4/J-HC pickup set offers players excellent string-to-string balance, consistency of tone and rich harmonic content. They sound great passive or active.