RCA to 3.5mm Cable Shielded OFC Male Phono Plug Cable Lead 1m 2m 3m 5m 7m 10m. These are stereo audio cables, for transferring data (music) from digital devices to a receiver. The headphones are just another form of speaker.
eBay
2.5mm Jack to 3 x RCA Phono Lead Audio / Video AV Cable 2.5mm to AV Video Cable For Net Media Player
Aliexpress UK
Connections: 1 x 3.5mm stereo Jack plug to 2 x RCA (Twin phono). A High Quality 3.5mm to Twin Phono connection cable with Gold plated plugs. The cable is Individually Screened for the Highest Audio Quality.
eBay
RCA Male Plug to 6.35 6.5mm Female Jack Audio Adapter Converter Connector Mono Jack Socket to Phono
Aliexpress UK
3.5mm Jack Plug to Twin 2x RCA Phono. 3.5mm Stereo Jack Plug to 2 x RCA Phono Plugs. 3.5mm Jack to Twin RCA. Red & White Colour Coded for Left & Right Audio.
eBay
L R Audio 2RCA Phono Lead Cable For Net Media Player 1.5m 3m 5m
Aliexpress UK
15cm long cable, 3.5mm stereo jack socket to 2 x RCA phono (red/black). Connector 2: 2 RCA phono plugs. 1 x 3.5mm Jack Socket to 2 x RCA.
eBay
1.5M Usb A Male To 2X Rca Phono Male Av Cable Lead Pc Tv Aux Audio Video Adapter
Aliexpress UK
Connections: 1 x 3.5mm stereo Jack plug to 2 x RCA (Twin phono).
eBay
USB A Male to 2 RCA Phono AV Cable Lead PC TV Aux Audio Video adapter USB to Dual RCA Adapter Audio
Aliexpress UK
Connectors: Jack male / RCA male. The High Grade Oxygen-free Copper Cable wont make your sound, sound rubbish! These cables are handy to have in your bag of goodies, as you never no when you are at a gig and you suddenly need one!
eBay
AV RCA Phono Lead Cable Male to Male & Male to Female Extension Coaxial Speaker Audio Car AV Image
Aliexpress UK
RCA to 3.5mm Audio Cable: UGREEN RCA to Aux Cable makes it easy to play music from devices of 3.5mm jack on old audio output devices of 2RCA(Red and White) ports, like Hi-Fi amplifier, speaker, turntable, DVD player, AV receiver.
eBay
2x RCA Phono Y Splitter Lead Adapter Cable 1 Male To 2 Female Car Connector 30cm
Aliexpress UK
Available in three distinct lengths—1.5m, 3m, and 6m—this versatile cable caters to both shorter and longer-range connections, providing flexibility without compromising on quality. Introducing the Cobra Cables Dual Phono/RCA to Mono Jack Link Lead, a sophisticated audio solution engineered for optimal connectivity and superior performance.
eBay
DIN 7-Pin Female Plug to Dual 2 RCA Phono Male Jack Audio Adapter Cord Cable 50cm/100cm
Aliexpress UK