So this is the JBL Partybox Ultimate, initially I thought the Partybox 710 was overkill and I feel the Partybox Ultimate is unnecessary for personal use. However, the Partybox ultimate is our preview of this new generation of Partybox’s and there are a lot of things to like here… however, there are still some issues here that JBL still just refuses to fix. Nonetheless, lets see what the JBL Partybox Ultimate is all about.