+ #PartyUp lets you connect more than 50 Ultimate Ears BOOM 2 / BOOM / MEGABOOM speakers* using the BOOM or MEGABOOM apps, so you can take your parties where no other sound system can go. Caves. Mountain. Lakes. Rooftops. You name it. So grab your friend’s speakers and your friend’s friend’s speakers, and head to any location you can dream up to take the party to a new level.

*#PartyUp is not compatible with Ultimate Ears ROLL