The Fender rumble 40 is a versatile bass amp with great power. Because the amplifier is very light, it is easy to take anywhere. Fender's bass amp has a loud sound and deep bass tones. With the help of the many settings you can create your desired sound. The rumble 40 has a black vinyl look with a silver speaker cloth. With the gain controller, you can set the basic sound of the rumble 40. There are also three voicing switches, all of which have their own character. For example, you can choose from bright (simple and bright), Vintage (traditional) and contour (punchy). This Fender bass amplifier has overdrive circuit for a rough bass sound whose intensity and volume can be gradated with the drive and level buttons.