Westone Dimension IV bass (X400)
- Available in black (X400BK) or white with red graphics (X400SW).
- First appeared in the April 1985 US pricelist, does not appear in the August 1986 pricelist.
- Magnacast die-cast bridge, 2 Magnaflux pickups, 3 way switch
Thanks to Kevin Bailey for additional info - the scale length is 32.25", controls are master volume (Push/pull for phase reverse) and two tone.
Thanks again to Kevin Bailey for the pictures below: