4, 5, 6-string · Bolt-on
Modulus Quantum. 4, 5, 6-string. 35-inch scale, 24 frets. Bolt-on carbon-fibre (graphite) neck. Phenolic fingerboard with a compound-radius composite surface, bi-directional relief-adjusting truss rod, side dot markers. Contoured double-cutaway alder body, satin finish. Pickups: EMG. Controls: EMG 3-band active preamp. Hipshot A-Style bridge, Gotoh GB70 tuners (20:1). The bass Modulus is best known for — Flea's signature instrument was a Quantum. 34-inch/26-fret neck available as an option. Modulus pioneered the carbon-fibre bass neck; the company builds to order in the United States at roughly four instruments a month and sells through PlanetBass.com. Street price starts at $4,899.
| Construction | Bolt-on |
| Strings | 4, 5, 6 |
| Body | Alder |
| Neck | Carbon fibre (graphite) |
| Fingerboard | Phenolic (compound radius composite) |
| Neck Pickup | EMG |
| Bridge Pickup | EMG |
| Controls | EMG 3-band active preamp |
| Bridge | Hipshot A-Style |
| Made In | United States |