Allen and Heath DX168 expanderIntroducing the Allen and Heath DX168 expander The Expanders rugged design, with hard wearing rubber bumpers, allows it to be placed directly on the stage floor during performances. It's designed to add remote I O to a dLive, Avantis, or SQ system. Weighing in at just 4. 8kg and featuring a sturdy carry handle, the DX168 offers the convenience and portability needed for live events, education settings, houses of worship, and many other environments.