This 3.5mm jack to 2 x RCA Splitter/ Y adapter allows you to connect 2 RCA (Twin phono) audio cables to 3.5mm mono jack cable. 2-RCA female jack to 3.5mm stereo jack. Can be used as joining two stereo A/V, component video cables.
eBay
3.5mm to Double RCA Audio Cable AUX RCA Jack Y Splitter Cable Splitter For Amplifier Jack Auxiliary
Aliexpress UK
3.5mm 1/8" MONO Male Plug To RCA Female Audio Adapter Converter Nickel Plated. 10 3.5mm 1/8" MONO Male Plug To RCA Female Audio Adapter Converter Nickel Plated. 10pcs 3.5mm 1/8" Stereo Male To RCA Female Audio Adapter Converter Nickel Plated.
eBay
Line Cooper Wire 2 RCA Female To 1 RCA Male Splitter Cable Audio Splitter Distributor Converter
Aliexpress UK
For RCA audio Y splitter plug adapter 1 male to 2 female gold-plated. Pure copper conductor. Adapter used as audio and video connection adapter. 1 Red adapter. 1 black adapter. Gold plating for maximum signal transmission and durability.
eBay
2/4/8/16PCS RCA Male Plug To 2 RCA Female Socket Connectors 3Way Gold Plated RCA Connector HIFI
Aliexpress UK
Disto block is 3d printed with 3 sets of outputs and 1 set of inputs. Gold plated female rca connector. Made from petg (will get soft at 180°f so will be good inside your car).
eBay
Vention RCA Cable 3.5mm to 2RCA Splitter RCA Jack 3.5 Cable RCA Audio Cable for Smartphone Amplifier
Aliexpress UK
This adapter allows two phono signals to be connected to a single phono socket. This adapter is also CE and WEE Compliant. High-Quality RCA Phono Y Splitter Adaptor - 2 x Female to 1 x Male Connector for Superior Audio-Video Transmission.
eBay
Vention RCA Cable 3.5mm to 2RCA Splitter RCA Jack 3.5 Cable RCA Audio Cable for Smartphone Amplifier
Aliexpress UK
Subwoofer Cable | RCA Male | 2x RCA Female | Gold Plated | 0.20 m | Round | 4.5 mm | Gun Metal Grey | Cover Window Box This Nedis® audio splitter cable with RCA connectors is suitable for connecting a subwoofer to an amplifier or receiver. Details This Nedis® audio splitter cable with RCA connectors is suitable for connecting a subwoofer to an amplifier or receiver. • Premium design aluminium alloy connector housing providing a durable product finish.
eBay
YYTCG RCA Y-Adapter 1 RCA Male to 2 RCA Male Y Splitter Digital Stereo Audio Cable for Subwoofer
Aliexpress UK
1 x 30cm 3 RCA Female Jack to 6 RCA Male Plug Splitter Audio Video Av Adapter Gold Plated. 3.5mm Female Jack To 2 RCA Female Jack Audio Adapter Splitter Cable Gold Plated. Size: Length: 30cm. 3.5mm 1/8" TRS Stereo Right-Angle Male to Dual Female RCA Cable Adapter 20cm.
eBay
Vention RCA Cable 3.5mm to 2RCA Splitter RCA Jack 3.5 Cable RCA Audio Cable for Smartphone Amplifier
Aliexpress UK
Introducing our Coupler RCA Adaptor, the perfect solution for extending and connecting your RCA (Composite) cables with ease and convenience. This versatile adaptor allows you to combine and extend multiple RCA cables effortlessly, expanding your audio and video connectivity options.
eBay
USB C to 2 RCA Audio Cable Adapter Type-C to RCA Jack 3.5mm to RCA Y Splitter AUX Cord for Home
Aliexpress UK