Focusing on volume:
* The TV was so loud it shook the walls and vibrated the windows.
* The TV was so loud it could be heard from outer space.
* The TV was so loud it made my ears bleed.
Focusing on impact:
* The TV was so loud it gave me a headache.
* The TV was so loud it drowned out all other sounds.
* The TV was so loud it woke up the entire neighborhood.
Humorous options:
* The TV was so loud it made the neighbors call the police.
* The TV was so loud it could have been mistaken for a jet engine.
* The TV was so loud it could have been used as a weapon.
The best option will depend on the context of the sentence and the effect you're trying to create.