The speakers by themselves connect on to your phone with the help of the auxiliary cord, making them easy to use and configure straight out on the box. Since passive radiators don’t have their very own devoted electrical power supply, they could’t get as loud as separate woofers can. https://www.bluetoothspeaker.top/wireless-speakers-strong-bass-home-theater-subwoofer-party-stereo-rgb-bluetooth-speaker/