There’s no application to regulate the EQ, basically the bodily controls together with a Bluetooth join button, an influence/amount knob and two for bass and treble. When powered on, it is best to utilize the amount knob to established a max headroom and modify amount to the fly out https://www.bluetoothspeaker.top/smart-wireless-subwoofer-loudspeaker-audio-system-sound-outdoor-rechargeable-speaker/