Whirlwind 1/8"TRS to 2-1/4"TS 6FT W/ 4FT Fan Out

6FT W/ 4FT Fan Out 1/8" (3.5mm) TRS male mini connector on one end,dual 1/4" TS male connectors on other end,connects a smartphone or other portable device to pro audio gear, such as a pair of powered studio monitors

Crutchfield