The internal equipment also permits an entire range of EQ controls. From the Marshall app on your phone, you'll be able to make a number of adjustments to obtain the sound you wish. To the speaker itself, You can utilize the brass control panel to adjust bass and treble. https://www.bluetoothspeaker.top/audio-system-sound-big-bass-music-party-speaker-active-boom-hifi-box-wireless-bluetooth-speaker/