JB IV Sunburst
| Body | Tasmanian Blackwood | |
| Top Wood | Birds Eye Maple | |
| Neck | Tasmanian Fiddleback Blackwood | |
| Fretboard Material | Ebony | |
| Frets | Dunlop Jumbo | |
| Fretboard Inlay (optional) | Green Abalone | |
| Bridge |
Gotoh | |
| Machine Heads | Hipshot with D tuner | |
| Scale Length | 34" | |
| Electronics | Seymour Duncan HB Jazz pickups with 3 way Selector and single coil switch | |
| Price | $5500 AUD |
RB IV WALNUT
| Body | Walnut | |
| Neck Wood | Walnut | |
| Fretboard | Ebony | |
| Fretboard Inlay (optional) | Green Abalone | |
| Bridge |
Gotoh | |
| Machine Heads | Hipshot | |
| Scale Length | 34 inches | |
| Electronics | Kent Armstrong Humbuckers with 3 way selector plus Custom active circuit (switchpot on Volume) | |
| Price | $5500 AUD |
Wave Bass
| Body | Maple | |
| Neck Wood | Maple and Walnut 'through' neck | |
| Fretboard | Ebony | |
| Fretboard Inlay (optional) | Abalone | |
| Headstock Decoration | Wave | |
| Bridge |
Schaller bridge and tailpiece | |
| Machine Heads | Hipshot with D tuner | |
| Scale Length | 34" | |
| Electronics | EMG Humbuckers | |
| Price | $6500 AUD |
RB IV WALNUT 4 in line
| Body | Walnut | |
| Neck Wood | Walnut | |
| Fretboard Material | Ebony | |
| Fretboard Inlay | Green Abalone | |
| Bridge & Tail Piece |
Chrome Kahler 4 string | |
| Machine Heads | Satin Chrome Sperzel Rear Locking | |
| Scale Length | 34" | |
| Electronics | Kent Armstrong Humbuckers | |
| Price | $6000 AUD |
BR Fretless RB IV
| Body Wood | Walnut and Blackwood | |
| Top Wood | Tasmanian Fiddleback Blackwood | |
| Neck Wood | Walnut and Blackwood | |
| Fretboard Material | Ebony | |
| Fretboard Inlay | Mother of Pearl | |
| Headstock | Tasmanian Fiddleback Blackwood | |
| Bridge |
Hipshot Ghost Bridge | |
| Machine Heads | Hipshot with D Tuner | |
| Pickups | Kent Armstrong Soapbars | |
| Scale Length | 34 inches Fretless | |
| Electronics |
Passive and Active system plus piezo saddles |
|
| Price | $9000 |
