Yamaha RGX A2 Electric Guitar Black Proprietary A.I.R. body structure Bolt-on maple neck Rosewood fretboard Dual Yamaha alnico humbuckers Die-cast cylindrical tuners LED-lit volume knob Limited lifetime warranty Rear 3-position knob controls the selection between 2 Yamaha alnico soapbar humbuckers Blue and green LEDs in the volume knob surround indicate pickup selection The electric guitar has a cool die-cast cylindrical tuner buttons that provide low-gear precision tuning The Alternative Internal Resonance body on the Yamaha RGX A2 is more than fancy words--this is the lightest, most resonant design ever