Nonetheless, the S1 Professional typically peaks at around 109 decibels. It features a three-channel mixer, with options for reverb and EQ, plus multiple inputs for mics and instruments alongside a devoted aux channel for other music sources. The speaker can past as many as eleven hrs with a QuickCharge https://www.bluetoothspeaker.top/latest-corporate-gift-stereo-surround-sound-audio-wireless-bluetooth-speakers/