4, 5, 6-string · 4, 5, 6
X-Vector's modern flagship line, offered 4-, 5- and 6-string, fretted or fretless, in a standard JJ (dual Jazz) configuration. Gallery builds include the Kheíron 5 Std JJ Ash, 5 Deluxe, 5 Xtender II (extended range), 4 Fretless and the 6-string Green Monster / Red Sparkle. Hand-built in Sao Paulo, Brazil by Fernando Giovannetti (X-Vector), praised by Brazilian pros for boutique-grade fit and finish. The company's site is photo-based with no published spec sheets or prices, so configuration below is drawn from model naming and gallery builds; full specs and pricing are by quote.
| Strings | 4, 5, 6 |
| Body | Ash (various) |
| Neck Pickup | Two Jazz single-coils (JJ) standard |
| Bridge Pickup | Two Jazz single-coils (JJ) standard |
| Made In | Brazil |