It sounds perfect for its size. The Wonderboom speakers have been dependable winners inside our brand-concealed tests, with listeners praising a more “open, 3D sound�?than its competitors offer. It's a tweeter plus a woofer driver with stereo channels. It's got an IP67 waterproof ranking with a dual passive bass https://www.bluetoothspeaker.top/high-power-bt-speaker-wireless-stereo-subwoofer-music-player-bluetooth-speaker/