The BOOM app by Ultimate Ears has everything you need to get the most out of your Ultimate Ears speaker. From PartyUp to customizable EQ, unlock even more awesome ways to use your BOOM series speakers. - PartyUp lets you connect up to 150 speakers to take your parties to a whole new level - wherever, whenever, whatever! - You control the sound: All about that bass? In a tight space? You control the atmosphere with a couple of built-in EQ and custom options. - Remote control: Use the app to turn power on/off your speakers and other controls from afar. - Much more: personalize your speaker’s name, EQ preferences, and preset playlists (BOOM 3, MEGABOOM 3, BOOM 4,MEGABOOM 4, HYPERBOOM, EPICBOOM and EVERBOOM only) - Subscribe to updates so you never miss a thing. A simple tap in the app updates your speaker with the latest features in no time. - Sign-up to subscribe to Ultimate Ears newsletters and special offers.