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. Standard cable length is 1.5m total. Fully compatible with any digital audio player that has balanced 2.5mm TRRS connection. This cable is compatible with ACS Live! Series IEM’s (pre 2017) and all IEM’s manufactured after after August 2017.