There’s no app to manage the EQ, simply just the bodily controls together with a Bluetooth be part of button, an influence/quantity knob and two for bass and treble. As soon as powered on, you need to make the most of the quantity knob to set a max headroom https://www.bluetoothspeaker.top/popular-bluetooth-speaker-colorful-led-wireless-bluetooth-audio-high-power-subwoofer-speaker/