Vthahaby RCA Cable 6.6FT -2 RCA Male to2 RCA Male Stereo Audio Cable, 26 AWG Oxy
[RCA Male to Male Input/Output]: 2 RCA input (connect to either L or R output) and 2 RCA output (connect to either L or R input); Input can be high frequency (digital audio) or low frequency (subwoofer).