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 devices alongside a dedicated aux channel for other music sources. The speaker can last as many as 11 several hours with a https://www.bluetoothspeaker.top/hot-selling-hifi-heavy-bass-wireless-speakers-waterproof-portable-outdoor-bt-speaker-with-fm/