Nonetheless, the S1 Pro typically peaks at around 109 decibels. It features a 3-channel mixer, with choices for reverb and EQ, plus multiple inputs for mics and devices alongside a committed aux channel for other music resources. The speaker can last approximately 11 several hours with a QuickCharge function https://www.bluetoothspeaker.top/nice-bluetooth-speaker-tf-card-audio-outdoor-usb-charging-speaker-good-quality-hot-sale/