JBL PartyBox Stage 320 vs PartyBox 520

Whether the JBL PartyBox Stage 320 or the JBL PartyBox 520 is better depends on your needs. Both speakers get loud and use the same app, with similar styles. The PartyBox Stage 320 boasts a much longer battery life in a smaller design. While both speakers offer balanced sound, the PartyBox 520 has a slightly fuller low-end and more connectivity, like USB-C audio. However, it's also notably heavier to move around. If portability is important, the PartyBox Stage 320 is easier to move around, and it's likely a reasonable compromise, depending on your uses.