So theres a lot of excitement around the new JBL Partybox 320 and 120 cause they have all new designs, they have slightly better sound performance and they have swappable batteries which I feel is a pretty big deal. Now both of these two speakers are great, but if you’re trying to choose between the Partybox 320 and the Partybox 120, here are the main differences and lets see which one is right for you.