The X4 produces over 100dB SPL of immersive sound and powerful psycho-acoustic bass you can feel, delivering deep rich lows that rock the room, paired with a highly dynamic sound range for the most intensive party speaker of its size. With a range vivid colours to brighten any room, the X4 takes the party to another level with lights that groove in time to the music. Join in the fun and the party keeps getting bigger as you add your music to the mix. Connect up to 100 speakers in party mode. The X4 comes with a bonus microphone so you can unleash your inner rockstar or channel the diva inside you. Up to 12hrs play time The X4 includes a built-in power bank so you can keep your phone topped up as you rock out.