Amazon.com: Digital Optical Cable to RCA Analog Audio Converter, Optical to 2 RCA and 3.5mm Digital to Analog Converter for TV/PS4/Xbox/DVD SPDIF/TOSLINK/Optical Port to Sound Box Amplifier Headset (10ft) : Electronics
Amazon.com: Poyiccot 1/4 inch to RCA Adapter & 1/4 inch to 3.5mm Adapter Stereo Audio Y Splitter Cable Support 6.35mm to RCA & 6.35mm to 3.5mm Multi Plug for Guitar, Microphone, iPod,
30m aux 3.5mm plug to 2*rca| Alibaba.com
2x RCA Phono to 3.5 mm TRRS Microphone Recording Lead - DJ Mixer Streaming Cable | eBay
Bluetooth 5.0 Audio Receiver NFC U Disk RCA 3.5mm AUX USB Stereo Music Wireless Adapter With Mic For Car Kit Speaker Amplifier - Walmart.com