The 2388B/DX is a Deluxe solid body electric bass model introduced by Ibanez for 1973. It was produced in Japan. It's visually similar to Rickenbacker's 4001 model.
The 2388B/DX features a solid maple body with selected birch top and white purfling mated to a set in maple and mahogany neck with a 20-fret rosewood fingerboard with silver sparkle triangle position markers and a matching headstock. Components include a pair of Bass-Master humbucker pickup's in the neck and bridge positions, a heavy constructed fixed bridge with a tailpiece, a white pickguard with a black plastic tug bar, a plastic nut and chrome plated individual tuning machines.
The 2389B is a similar model with curly maple body. The 2388B is a similar model with a Bolt-on neck.