Amazon.com: TNP 3.5mm to RCA Audio Cable (30 Feet) Bi-Directional Male to Male Nickel Plated Connector AUX Auxiliary Headphone Jack Plug Y Adapter Splitter Converter to Left/Right Stereo 2RCA Wire Cord :
SANOXY 6 ft. 3.5 mm Mono Male to RCA Male Audio Cable CBL-LDR-SR102-1106 - The Home Depot
SANOXY 25 ft. 3.5 mm Stereo Male to 2 RCA Male Digital Audio Cable CBL-LDR-SR103-1125 - The Home Depot
Digital Audio Splitter | Male Male Audio Cable | Stereo Splitter Cable - Audio & Video Cables - Aliexpress