Things You'll Need
Instructions
Unroll the 1/8-inch mono cable and measure a 15-foot length of it with the wire strippers. Strip about an inch off each end.
Feed the wire ends inside the audio cable ends and splice the wire end together with the cable wire.
Heat up the soldering iron and melt a small bit of rosin core solder to each connection.
Plug the ends into the both the RC plane and the radio controller to test it out.