There’s no app to manage the EQ, just the bodily controls together with a Bluetooth be part of button, an impact/quantity knob and two for bass and treble. When powered on, you must employ the quantity knob to established a max headroom and modify quantity within the fly out https://www.bluetoothspeaker.top/outdoor-ipx7-waterproof-speaker-box-hifi-bluetooths-party-speaker/