4-string · Neck-Thru
Multi-scale construction, Fishman Fluence electronics, 5-piece Maple/Wenge neck, 24 fret Wenge fingerboard with illuminating side dots
| Construction | Neck-Thru |
| Strings | 4 |
| Body | Swamp Ash, Poplar Burl |
| Neck | Maple, Wenge |
| Fingerboard | Wenge |
| Neck Pickup | Fishman Fluence |
| Bridge Pickup | Fishman Fluence |
| Controls | Master Volume, Blend, Bass Cut/Boost, Treble Cut/Boost, 3-Way Voice Selection Switch |
| Bridge | Individual Brass Saddle – Multi-scale |
Artists documented playing the Spector NS Dimension 4: Ian Martin Allison.