The GRX20EXB is an RX series solid body electric guitar model introduced by Ibanez in late 2019. It is produced in China as part of the entry-level GIO line.
The GRX20EXB features a poplar body bolted to a maple neck with a 22-fret jatoba fretboard with white dot position markers. Components include a pair of Ibanez Infinity R humbucking pickups mounted in a black pickguard, and a six-screw synchronized tremolo bridge and plastic nut.
The GRX20 is a similar model with chrome hardware. The GRX22EX is a related model without the pickguard and with chrome hardware.