It lacks low bass compared to the larger EPICBOOM, way too. You can check out the Anker Soundcore Motion Boom Plus If you prefer a similarly priced waterproof speaker with a tad far more lower bass. Having said that, the Anker isn't really quite as small as the Ultimate https://www.bluetoothspeaker.top/outdoor-wireless-speaker-wonderful-rgb-light-effect-waterproof-bluetooth-speakers/