There’s no app to regulate the EQ, just the bodily controls together with a Bluetooth be part of button, an influence/quantity knob and two for bass and treble. Once powered on, you should make the most of the quantity knob to set a max headroom and modify quantity to https://www.bluetoothspeaker.top/bluetooth-speaker-heavy-bass-wireless-soundbar-subwoof-loudspeaker-bt-speaker/