Aria Pro II SB-ONE is an entry-class 4-string electric bass featuring an Indonesian Mahogany body, 34-inch scale, and a 5-ply Maple/Walnut bolt-on neck with a 24-fret Rosewood fingerboard. It is equipped with a single humbucker pickup, volume/tone controls, and a Dual Sound Switch for series/parallel wiring, available in black, silver, and candy apple red