No!
Use a Y cable to take the outputs via 2 TR PhoneJacks to a single stereo (TRS) 1/4" or 1/8" depending on the input jack required by your Speaker system.
No!
Use a Y cable to take the outputs via 2 TR PhoneJacks to a single stereo (TRS) 1/4" or 1/8" depending on the input jack required by your Speaker system.