It lacks low bass compared to the larger EPICBOOM, as well. You may check out the Anker Soundcore Motion Boom Plus if you want a similarly priced waterproof speaker with a little far more low bass. Even so, the Anker is not quite as small because the Ultimate Ears, https://www.bluetoothspeaker.top/low-price-with-subwoofer-surround-stereo-sound-bluetooth-speakers-wireless/