It lacks very low bass compared into the larger EPICBOOM, too. You could check out the Anker Soundcore Movement Boom Plus If you prefer a similarly priced waterproof speaker with somewhat far more reduced bass. Having said that, the Anker is not quite as small as the Ultimate Ears, https://www.bluetoothspeaker.top/wireless-led-bluetooths-speaker-high-quality-cheap-price-speaker/