Audio distortion Sound is distorted by explosive changes in loudness. No problem when audio is sent through independent audio system (electronics + speakers).

I don't know if I ever installed a sound system to any concert fan who didn't ask me this question. So how loud can I safely play my sound system?

If you have a receiver or amplifier that has an analog dial that goes from 7 o'clock to 5 o'clock the majority of units will output maximum volume at around 1 o'clock assuming a line level signal is sent to it (again it varies a lot from piece to piece). Anything higher then that and the unit will send out a distorted signal colloquially referred to as "clipping". Most modern units now use digital volume controls and everyone is different. The only way to detect this distortion is listen to when the music sounds tinny and harsh instead of clean and musical.

If you do not find it is loud enough for your liking you must invest in a more powerful amplifier or higher efficiency speakers; or you will continue to destroy your innocent speakers and blame them for your over driven amplifier.