The S521 is an S series solid body electric guitar introduced by Ibanez in 2014. It is produced in Indonesia.
The S521 features a mahogany body bolted to a maple Wizard III neck with a 24-fret rosewood fingerboard with offset dot position markers. Components include dual Ibanez Quantum humbucking pickups, a fixed bridge, a plastic nut and Ibanez tuners.
For 2018 the rosewood fretboard was replaced by jatoba. For 2019 the mahogany body was replaced with meranti. For 2020 the bridge was changed to the F106.
The S521L is a left-handed version. The S520 is a similar model with a double locking tremolo bridge. The S621QM is a similar model with a quilted maple top.