Clipping: overdrive final stage, Lots amplifier have one today protection circuit, which switch off the device in the event of a short circuit or an overload.
Note:
An amplifier reaches its maximum power at about 2/3 of the volume control.
If you go beyond this range, there is a risk that the loudspeaker will be damaged. Here plays the community-led approach of the speaker almost irrelevant. The amplifier requires an impossible deformation of the speaker, which can cause damage. Tip: Always choose a slightly higher amplifier power than intended for the loudspeakers.