Even so, the S1 Pro typically peaks at around 109 decibels. It features a three-channel mixer, with options for reverb and EQ, plus multiple inputs for mics and devices alongside a focused aux channel for other music resources. The speaker can previous approximately 11 hours with a QuickCharge function https://www.bluetoothspeaker.top/4-ohm-golden-color-aluminum-music-bluetooth-speaker-wireless-speaker/