About the flip aspect, the SoundLink Max is directed to appear a lot more elegant than rugged (It is really absolutely more design-helpful than the Turtlebox). The SoundLink Max is also cheaper than the TurtleBox, so if you aren't It's a tweeter plus a woofer driver with stereo channels. https://www.bluetoothspeaker.top/portable-mp3-bluetooth-speaker-outdoor-portable-subwoofer-stereo-wireless-speakers/