Nevertheless, the S1 Professional typically peaks at around 109 decibels. It features a three-channel mixer, with choices for reverb and EQ, plus multiple inputs for mics and devices alongside a devoted aux channel for other music resources. The speaker can past up to eleven hrs with a QuickCharge function https://www.bluetoothspeaker.top/new-design-super-bass-sound-music-surround-soundbar-bluetooth-speaker/