There’s no app to manage the EQ, basically the bodily controls together with a Bluetooth join button, an impact/quantity knob and two for bass and treble. When powered on, you must utilize the quantity knob to set a max headroom and modify amount to the fly from your supply. https://www.bluetoothspeaker.top/new-style-bluetooth-speaker-surround-sound-wireless-speaker-with-led-lights/