Delivering 120W of powerful sound through an 8” woofer and a 1” tweeter, the GU820 offers exceptional audio performance along with flexible auxiliary input options. Equipped with the GU2RM Duo-receiver and auto-scan channel pairing mode, the system ensures a quick and hassle-free setup whether in a conference hall or out in the field. Built-in Bluetooth allows wireless audio streaming from mobile devices, while independent volume controls provide precise adjustment of each audio source. The system also supports MP51 music playback via SD card or USB drive for versatile audio media compatibility. Powered by dual 4500 mAh batteries, the GU820 delivers up to 6 hours of operation without the need for an AC connection. Designed for portability, it features a retractable handle and built-in wheels for easy transport, wherever the great sound is needed.