LR Baggs IBeam Active endpin preamp only, no pickup included. Includes wiring harness, battery holder, and soundhole mounted volume control.
Connections: At the end of the preamp circuit board are two larger square pads, these are both grounds. Behind these are two smaller pads. The circular pad is the Ring positive, and the square pad is the Tip positive. When connecting the IBeam pickup, the positive lead wire connects to the Tip pad, and the negative lead wire to one of the ground pads. Soldering required, professional installation recommended.