Additional examples are adjusted to the entries in an automated way - we cannot guarantee that they are correct.
The difference between the internal noise and the maximum output level is the device's dynamic range.
Many varieties of tweeter design exist, each with differing abilities with regard to frequency response, output fidelity, power handling, maximum output level, etc.
An increase in hiss and buzz are often apparent, along with a severe lack of headroom (the difference between the nominal output level and the maximum output level) accompanied by heavy compression.