To amplify something means to increase it. A bass amp basically increases the volume of your bass sound. It’s important for you to buy a bass amp as soon as possible. If you can’t hear yourself, you can quickly develop some bad habits and playing technique which are only obvious when amplified. You can check out my bass technique pointers on studybass.com.
In this bass amplifier FAQ, I will try to answer the most common amp questions I hear from my students. This is all stuff a bass player should know to some degree.