Upgrade audio cable for ACS IEM’s. This resilient cable features a 5 pin connector to the ear and balanced 4 pole 2.5mm jack to source. The standard cable length is 1.5m in total. Fully compatible with any digital audio player that has a balanced 2.5mm TRRS connection. This cable is compatible with ACS Live! Series IEM’s (pre-2017) and all IEM’s manufactured after August 2017.