- offset double cutaway hardwood body, maple neck, 24-fret rosewood fingerboard with pearl dot inlay, fixed bridge, four-on-one-side tuners, chrome hardware, P-style Washburn pickup, push/pull volume/tone control, available in Black, Pacific Blue Rain, Red, Red Rain, or White finish, mfg. 1990-91.

- offset double cutaway alder body, maple neck, 24-fret rosewood fingerboard with pearl dot inlay, four-on-one-side tuners, fixed bridge, one P-style and one J-style Washburn pickups, three knobs, three-way switch, active electronics, chrome hardware, available in Black, Red, Woodstone Blue, Woodstone Brown, or Woodstone Red finish, mfg. 1990-91.

- similar to the XS4, except in fretless configuration, available in White or Woodstone Brown finish, mfg. 1990-91.

- similar to the XS4, except in left-handed configuration, available in Black or White finish, mfg. 1990-91.

- similar to XS4, except in 5-string configuration, 4/1-per-side tuners and two J-style Washburn pickups, available in Black, Red, White, Woodstone Blue, Woodstone Brown, or Woodstone Red finish, mfg. 1990-91.

- similar to XS4, except in six-string configuration, available in Metallic Cherry Black, Pearl White, Woodstone Brown, or Woodstone Silver finish, mfg. 1991 only.

- similar to XS4, except has two hum-cancelling single coil Special Status pickups, four knobs, active 2-band EQ fader control, and black hardware, available in Charcoal Rain, Black, or White finish, mfg. 1990-91.