On the other hand, 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 instruments alongside a dedicated aux channel for other music sources. The speaker can last approximately eleven several hours with https://www.bluetoothspeaker.top/outdoor-waterproof-bluetooth-speaker-high-powered-subwoofer-battery-powered-sound/