There’s no app to manage the EQ, basically the bodily controls together with a Bluetooth be part of button, an influence/quantity knob and two for bass and treble. When powered on, you should make the most of the quantity knob to established a max headroom and modify amount on https://www.bluetoothspeaker.top/high-quality-wireless-rechargeable-double-horn-subwoofer-speaker-heavy-bass-bluetooth-speaker/