It lacks minimal bass compared to the larger EPICBOOM, also. You can check out the Anker Soundcore Movement Boom Plus if you want a similarly priced waterproof speaker with a little more small bass. On the other hand, the Anker just isn't quite as small as the Ultimate Ears, https://www.bluetoothspeaker.top/subwoofer-mobile-phone-inalambrico-speaker-light-audio-computer-bluetooth-speaker/