There’s no app to manage the EQ, merely the bodily controls together with a Bluetooth be a part of button, an impact/quantity knob and two for bass and treble. When powered on, you must use the amount knob to set a max headroom and modify amount to the fly https://www.bluetoothspeaker.top/top-seller-bass-bluetooth-speaker-stereo-wireless-speaker-for-iphone-xs/