disclaimer : i use my studio monitors for casual music listening not for analytical mixing. i just listened to my top 10 song in classical/techno-pop/rock genres on jbl 305 vs adam t5v, only 2 or 3 songs sounded better on the adam t5v(clearer highs) (t5v is the replacement of f5 so it must be very similar) but the 7 or 8 other songs sounded better on jbl 305 (more balanced mids and beefier bass). so you should TRY SPEAKERS with your own ears and WITH YOUR OWN SONGS because each song is different( i was the first surprised about that song to song difference). the adam t5v also have a tweeter hiss but a bit less than on jbl 305. both did not sound good at low listening volume - if someone knows a (less than $350 a pair) that sound good at low volume, i am interested, please share. in the shop there was also krk rockit in the same size/price range but it was boomy so i discarded the krk after the second song.