Amazon.com: Cerepros RCA 1 Male to 2 Female Audio Red White RCA Speaker Y-Converter Splitter Adapter Cable : Electronics
RCA to 3.5mm, 3.5mm Female to 2 RCA Male Audio Adapter 1/8 to Dual RCA AUX Stereo Subwoofer Splitter Cable for Smartphone, Tablet, MP3, Speaker, Home Theater, Receiver, Mixer - 12 inch - Walmart.com
Amazon.com: 6" 3.5mm Stereo Female to 2 RCA Male Splitter Cable : Electronics