4-string · neck-through
Roasted Maple neck-thru construction, Aguilar Super Double pickups & OBP-2 preamp, Flame Maple Top
| Construction | neck-through |
| Strings | 4 |
| Body | Paulownia/Empresswood |
| Neck | 3pc Roasted Maple |
| Fingerboard | Roasted Maple |
| Bridge Pickup | Aguilar Super Double 4SD-D1 |
| Controls | Volume, Volume, Treble Cut/Boost, Bass Cut/Boost |
| Bridge | Aluminum Locking |
Artists documented playing the Spector Euro 4 RST: A.J Lewandowski, Arif Mirabdolbaghi, Billy Sherwood, Chuck Rainey, Henrik Sandelin, Ian Hill, Ilja John Lappin, John Cooper, John Moyer, Marcelo Corvalán, Mike Inez, Mike Starr, Nathan Navarro, Nick Beggs, Olivier Pinard, Paul Thomas, Raychell, Robbie Merrill, Rudy Sarzo, Ryo Shimizu, Steven Wilson, Tom Doyle, Tom Drummond.