bolt-on · fretless
Boost/cut +/15dB. bridge: ZON. Machined brass. fretless. Fretless -lined, blank or half lined. (no dots on board face), Bookmatched exotic wood tops, Matching headstock, Transparent colors, Solid colors, 3-band active electronics, Black hardware, Gold hardware, Hipshot x-tender, Left-handed
| Construction | bolt-on |
| Body | swamp ash |
| Neck | Composite |
| Fingerboard | Phenowood |
| Neck Pickup | narrow aperture, passive, linear single coil |
| Bridge Pickup | narrow aperture, passive, linear single coil |
| Controls | Master volume, pickup blend, stacked bass/treble and internal midrange controls |
Artists documented playing the Zon Guitars Sonus 4: Adam Duce, Billy Gould, Chris Wolstenholme, Cody Wright, Conner Green, Dick Lövgren, Jeph Howard, John Wetton, Liam Wilson, Max Lavelle, Mel Schacher, Paulo Jr., Robert Trujillo, Tony Choy, Troy Sanders.