This cable is commonly used to connect two devices, one with 2 RCA female connection ports and the other with 2 x 6.35mm mono sockets. One of the devices should be an output (mixer/keyboard) and the other would usually be an input (amplifier).
Headphone Jack Cables — Page 6 — LoopsDirect
3m 3.5mm Stereo Male to 2x 6.35mm ¼ Mono Plug Jack Cable Lead Mixer
MX 6.35 mm P-38 MONO MALE TO 2 RCA MALE CABLE (MX-3997A 3M),Black - MX MDR TECHNOLOGIES LIMITED
3.5mm to Double 6.5mm TRS Cable AUX Male Mono 6.5 Jack to Stereo 3.5 J
Tan QY RCA to 1/4 Cable 25Ft,Dual 1/4 inch 2 x 6.35mm TS Mono Male Jack to Dual RCA Male Audio Cable, for Phono Microphone Mic Mixer Amplifier,RCA
Dual 2x 1/4 Male Mono Jack 6.35mm to 2x RCA Male Jack Cable
Rca To 1/4 - Best Price in Singapore - Dec 2023
3.5mm to 1/4 Y stereo cable provides a high quality connection between your laptop or PC with a 3.5mm jack output and AV receiver, amplifier, mixer,
3.5mm 1/8 TRS to Dual 6.35mm 1/4 TS Mono Breakout Cable Y Splitter Stereo Cord Adapter Compatible with iPhone, iPod, Computer Sound Card, CD Player
High Quality Stereo Jack 6.35mm To 2 Rca Male Jack Audio Cable For Mixer Amplifier Speaker Mixing Console Subwoofer Cable - Audio & Video Cables - AliExpress
A guide to audio connectors and cable types - SoundGuys
Ready Made Cables