Welcome.
I did headphones in college (made a world of sense on a budget and living in the dorms). Moving to speakers adds many more variables. Note that most over invest for the given space (too much money spent, too big/bass heavy speakers, little privacy/control of sound transmission in or out, space too small and poorly shaped/furnished). You'll have to get acclimated to in-room presentation (the way that 99.9% of recordings were intended to be heard) versus headphone use. Type of speakers (dynamic, dipole, line array, subwoofers, etc.) and appropriate amplification (tube, solid state, SET, class D, etc.) must be chosen.
Budget can be the biggest challenge as you should figure on dropping roughly 100 times (yes 100-fold) the money to get equal sound quality compared to headphones. Example: Grado SR60e ($80) versus full range speakers plus amp such as Von Schweikwert Audio VR-33 ($3750) plus Bryston 2.5B3 stereo power amp ($3695) plus speaker cables. Another example: HiFiMan HE-1000 ($3000) versus Von Schweikwert Ultra 11 ($295,000) plus a pair of Bryston 7B3 mono-blocks ($11,990) plus speaker cables. And of course it'd be a shame to put those wonderful speakers in a small/squarish/uninsulated spare bedroom.
