How do I know if I need a sub woofer?

My system at the moment is not important as this question would be relevant regardless of of what I am listing to at the moment.

tcutter Details Discussions Posts This discussion Message User 388 posts 09-24-2025 at 11:31am Copy Comment URL Report Comment Edit Delete @hifiguy42 You have learned well, Grasshopper...
sounds_real_audio OP Details Discussions Posts This discussion Message User 1,096 posts 11-05-2025 at 09:35pm Copy Comment URL Report Comment Edit Delete I have finally found my perfect (almost) sub woofer: https://www.youtube.com/shorts/aFAcYjyqmUU
sounds_real_audio OP Details Discussions Posts This discussion Message User 1,096 posts 11-06-2025 at 02:21pm Copy Comment URL Report Comment Edit Delete Just when I thought I had found the perfect sub woofer I found one that is more adaptable to my active life style https://www.youtube.com/shorts/B10g4gq062s