BlueAnt X4 50-Watt Bluetooth Party Speaker Custom designed in Melbourne, 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 colour 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. Dance the night away to up to 5 light shows. The X4 comes with a bonus microphone so you can unleash your inner rockstar or channel the diva inside you. The X4 is splashproof and the range of colours help make your X4 a personal statement. To increase the intensity, simply press the Bass Boost button for out of this world sound. The X4 includes a built-in powerbank so you can keep your phone topped up as you rock.