Equipped with versatile audio availability, incl. music player MP5, combo mic/line input,3.5mm audio input and Bluetooth, GX 80 system works perfectly in any gym class or aerobic tutorial. GX 80 system supports three channels with individual volume controls, 2-band EQ, master volume and sound effect (echo). Providing the option of wireless audio connection via additional AudioLink transmitter/receivers, multiple systems can be installed in same place for fluent audio streaming. GX 80 system also allows 70+wireless range which extends the application, ex. larger gym space. Embedded USB-A charging ports are useful when charging is needed for wireless microphones, smartphones or other audio devices. GX 80 system is an all-in-one portable sound system and can accommodate any need indoors or outdoors. No more obstacle exists and people can always hear be heard clearly.