So over the last few months, Sony has been refining all of their Box speakers, and now we have the all new Sony ULT Tower 10, and this thing is very impressive and it puts a big emphasis on sound pressure. But naturally we have to see how the Sony ULT Tower 10 compares to both the JBL Partybox Ultimate, JBL’s Largest Partybox ever… and the JBL Partybox 710 which has been a work horse for the last few years.