Boss OC-2 Octaver

The Boss OC-2 Octaver is an octave divider effects pedal.

Sting used this pedal during the early 90s, for both live and studio work. It appears on The Soul Cages and Ten Summoner's Tales in places. For example, "If I Ever Lose My Faith In You" has an Octave pedal in the verses.

Source

 * Tracking sheet photo for "If I Ever Lose My Faith In You" in Recording Musician, May 1993
 * Various