bolt-on · fretless
Boost/cut +/15dB. bridge: ZON machined brass. fretless. Fretless -lined, blank (no dots on board face), Sunburst colors, Solid colors, Left-handed, Black hardware, Hipshot x-tender
| Construction | bolt-on |
| Body | Two-piece select maple with figured maple top |
| Neck | Maple |
| Fingerboard | Rosewood |
| Controls | Master volume, pickup blend, bass and treble controls |
Artists documented playing the Zon Guitars Sonus RT4: 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.