Rumble bass combos are engineered to be compact, portable, and lightweight, with seismic Fender bass tone and stage-worthy features. The stylish Rumble 40 combo pumps 40 watts of pure Fender bass tone. Light and loud, it's built with great features including classic Fender styling, 10" speaker, overdrive circuit, versatile three-button voicing and more. A great combo for any bassist.