The 2388B/DX is a deluxe solid body electric bass guitar. It is visually similar to the Rickenbacker’s 4001 model.

The 2388B/DX features solid maple body with selected birch top and white purfling mated top set in maple and mahogany neck, with 20 fret rosewood fingerboard with silver sparkle triangle position markers and matching headstock. Components include a pair of Bass-master humbucker pickups in the neck and bridge positions. A heavy constructed fixed bridge with tailpiece, a white pick guard with a black plastic nut and chrome plated individual turning machines.

The 2388B/DX was discontinued after 1975