However, 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 instruments alongside a dedicated aux channel for other music sources. The speaker can final approximately 11 several hours with a QuickCharge function https://www.bluetoothspeaker.top/top-seller-rechargeable-wireless-led-bluetooth-speaker/