Ibanez RS924

The Ibanez RS924 was a Roadster Series bass introduced around 1981. The RS924 had an ash body with three-piece maple neck & fretboard. The pickups were Ibanez Super P4, Super J4 and controls were volume, passive tone, active bass & treble cut & boost with a two way switch for active/passive circuit, three way pickup selection switch.

Source: Ibanez 1981 catalog