DiMarzio IBZ pickups (also known as DiMarzio/IBZ) are specially designed an manufactured for Ibanez by DiMarzio in the US. DiMarzio created special pickups for RG, SA and S models.
Humbucking pickup used for RG Prestige models in bridge and neck position. According to DiMarzio, the neck pickup is fairly bright-sounding, similar to a DiMarzio Super 2 (DP104). The bridge pickup is a little louder and warmer-sounding, and resembles a cross between the DiMarzio Steve Morse Bridge Model (DP200) and the DiMarzio Super Distortion (DP100). Harmonically alive with medium high output
Humbucking pickup used for SA Prestige models in the bridge position. Introduced in 2005 for the SA2020FM and also used for the 2006 SA2120FM. Provides expanded range of tone and powerful sound with clear sustain.
Humbucking pickup used for SA Prestige models in the neck position. Introduced in 2005 for the SA2020FM and also used for the 2006 SA2120FM. Responsive, warm and fat sound with rich harmonics and overtones.
Humbucker pickup used for RX series and some S Prestige models in the bridge position. Powerful-sounding with quick response. Enhanced harmonics and overtones.
Edit
