So the JBL Partybox Ultimate is an insanely loud portable Bluetooth speaker that honestly overkill for one single person and its better used for commercial events… but if you do decide to get one, it is pure dumb fun. But today we’re going to see how certain pairs of Partyboxes stack up to a single partybox ultimate… is it better to go with just one Ultimate or is it better to get 2 different Partyboxes.