There’s no application to manage the EQ, basically the bodily controls together with a Bluetooth be part of button, an impact/amount knob and two for bass and treble. The moment powered on, you should make the most of the quantity knob to established a max headroom and modify amount https://www.bluetoothspeaker.top/new-arrival-speakers-outdoor-waterproof-portable-subwoofer-wireless-bt-5-0-speaker-with-bass/