GRA-101
These adaptors are designed to couple stereo cables with phono plugs.
Hosa 1/4" in TRSF to Dual 1/4" TS | Stereo Breakout
Hosa 1/4" in TS to 3.5mm TS Adaptor
Hosa 1/4" TRS to 3.5mm
Hosa 1/4" TRS to Dual 1/4" TRSF | Y-Cable
Hosa 1/4" TRS to Dual 1/4" TSF