Passive Extended series pickup for 4 string bass. This modern passive model features a humbucking design for low noise and plenty of output. Using ceramic bar magnets with steel, the tone is warm with a smooth attack and a big mid-range response. This pickup uses an extended housing that is 3.5 inches (89 mm). Package includes: EMG'S EXCLUSIVE SOLDERLESS INSTALL SYSTEM: 1 PAIR MOUNTING SCREWS AND SPRINGS, 1 PICKUP CABLE.