Just like with our SoundLink Revolve and Revolve+ portable speakers, this 360-diploma design avoids the positional sweet spots and frequency drop-offs of speakers that just purpose forward, but this time, with the extra power and more robust bass that comes with a new shape and a 3rd passive radiator. https://www.bluetoothspeaker.top/new-design-super-bass-sound-music-surround-soundbar-bluetooth-speaker/