There’s no application to regulate the EQ, basically the bodily controls together with a Bluetooth sign up for button, an affect/amount knob and two for bass and treble. Once powered on, you need to use the amount knob to established a max headroom and modify amount on the fly https://www.bluetoothspeaker.top/china-supplie-new-brand-haibadz-speakers-rgb-speaker-led-bluetooth-speaker/