Clipping is distortion. Distortion can and will destroy your speakers and amplifier. Clipping is a signal sent by the amp to your speakers that is caused by improper tuning and creates x10 the heat the coils in the speakers are made for, thus blowing your speakers. This can happen in a matter of minutes to months depending on the level of clipping you are introducing. Your goal will be to have and audio system to has zero clipping.