Nonetheless, 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 committed aux channel for other music sources. The speaker can last up to 11 hrs with a QuickCharge function https://www.bluetoothspeaker.top/portable-home-theatre-system-woofer-sport-speaker-double-bluetooth-speakers/