Colors / FinishesRBX 4A2M JBL:Jet Black

  • RBX 4A2M JBL:Jet Black
  • RBX 4A2M WAG:White & Aircraft Gray

A.I.R. Technology Bass Guitar


[RBX Series]

Product Registration

Yamaha has shattered the "heavier-the-better" conventional wisdom with an advanced technology called Alternative Internal Resonance, or A.I.R. for short. A.I.R. combines lightweight and resonant softwoods sandwiched between harder tonewoods creating an instrument loaded with sustain and tone while maintaining an ultra lightweight construction.

Electric Guitars Catalog [English] Electric Guitars CatalogPDF [4.4MB]

The colors and finishes shown may vary from those on the actual products.



The medium scale version of the RBX4A2 has an 825.5mm scale length that is 38.1mm shorter than the RBX4A2. Its compact body and neck offer excellent playability, while it's A.I.R. structure delivers light weight and superior comfort. Tone production is i...

More Features

Return to Top

REVSTAR: Find A Dealer Showroom

Yamaha Music Blog