It lacks lower bass compared towards the larger EPICBOOM, much too. You may check out the Anker Soundcore Motion Boom Plus if you want a similarly priced waterproof speaker with a tiny bit additional small bass. However, the Anker is not quite as small as being the Ultimate Ears, https://www.bluetoothspeaker.top/hifi-stereo-home-theater-system-with-rgb-indoor-bluetooth-wireless-bluetooth-speaker/