Amazon.com: 3.5mm Stereo to RCA Audio Cable, 3.5mm Stereo Male to Dual RCA Male (Right and Left), 3.5mm Audio Cable to RCA, 6 feet, Black, CableWholesale : Electronics
StarTech.com 6in Stereo Audio Y-Cable - 3.5mm Male to 2x RCA Female - Headphone Jack to RCA – Computer / MP3 to Stereo 1x Mini-Jack 2x RCA (MUMFRCA)
FireFold 3.5mm Stereo Male to Two Male RCA Adapters – Connect Audio Devices Smartphone Tablet HDTV MP3 Player Echo Dot to Larger Speakers Home Stereo System etc. - 6 Inch Cable