RCA Cable, 20 Feet/6m Audio 2 Male to 2 Male Subwoofer Nylon-Braided Auxiliar...
With its 2-Male connectors on the both ends, the cable allows for 2 RCA output (connect to either L or R input) and 2 RCA input, where the input can be high frequency (digital audio) or low frequency (subwoofer).