Just like with our SoundLink Revolve and Revolve+ portable speakers, this 360-diploma design avoids the positional sweet places and frequency drop-offs of speakers that just intention forward, but this time, with the extra power and more powerful bass that comes with a new shape and a third passive radiator. https://www.bluetoothspeaker.top/ipx4-waterproof-subwoofer-bt-wireless-outdoor-portable-bluetooth-speaker/