There’s no app to regulate the EQ, basically the bodily controls together with a Bluetooth be a part of button, an influence/amount knob and two for bass and treble. Once powered on, it is best to benefit from the quantity knob to set a max headroom and modify quantity https://www.bluetoothspeaker.top/factory-price-fm-am-multi-band-radio-with-bluetooth-speaker-and-aux-in/