4-string · Bolt-on
Gibson Tobias Growler: the most affordable Tobias and the only single-pickup model. Lightweight paulownia body, 3-piece maple/purpleheart bolt-on neck, wenge fingerboard (12-inch radius), 24 jumbo frets. A single Bartolini quad-coil in the sweet spot drives an 18V preamp with dual mid-contour switching. Babicz bridge, Gotoh tuners. Made in Indonesia.
| Construction | Bolt-on |
| Strings | 4 |
| Body | Paulownia |
| Neck | 3-piece hard maple with purpleheart |
| Fingerboard | Wenge |
| Bridge Pickup | Bartolini MM42CBJD3 quad-coil |
| Controls | Master volume, stacked treble/bass, two mid-contour switches (coil blend); Bartolini 18V active |
| Bridge | Babicz FCHZ4 |
| Made In | Indonesia |
Artists documented playing the Tobias Growler IV: Andy Fraser, Tye Zamora.