The PL1990 features an offset double cutaway mahogany body with rounded contours and edges and either a flamed natural wood top and back (NW model) or a walnut top and back (WN model). The body is bolted to a flamed maple neck with a 22-fret ebony fingerboard with sharktooth position markers. Components include Ibanez pickups with an IBZ triple-magnet humbucker at the bridge and Super 7FT single coil pickups at the neck and middle positions and an Edge double locking tremolo bridge with a locking nut.
For 1987 the PL1990 got the Back Stop tremolo stop.
The PL1880 is a similar model with dot fretboard inlays.
The PL1990 was discontinued after 1987 along with the rest of the Pro Line series.