There’s no app to manage the EQ, simply just the bodily controls together with a Bluetooth join button, an affect/quantity knob and two for bass and treble. Once powered on, it is best to use the quantity knob to set a max headroom and modify quantity to the fly https://www.bluetoothspeaker.top/new-arrival-portable-bluetooth-speaker-with-led-subwoofer-communication-handsfree-wireless/