From their Facebook page:
XSI 11 Touch Guitar
Tuned D#-E with re-entry and inversion points
Lowest note is an F# ABOVE low E on a standard 6 string guitar
Specs:
30” scale, 27 frets
Walnut body with flame maple top
Headstock with matching cap
Walnut and Mac ebony neck
Mac ebony fingerboard
Lace X-Bar/Deathbar 5.0 combo
Vol/vol/tone with three way switch
Phase switches
Killswitch
Kalium strings
Hipshot hardware
1. 10.5 E
2. 12.5 B
3. 17 G
4. 22p D
5. 13 A
6. 23 E
7. 31 B
8. 41 F#
9. 29 C#
10. 16 G#
11. 11 D#