Audioengine 2+ Speakers: No headphones socket

[richardworthing]

Hi there,

My new speakers don't have an output socket for headphones.

I've connected the headphones via the RCA output connections on the rear of the speaker.

I'm unable to mute the speakers and just listen via headphones !!

Any idea how I can fix this please?

 

[ssddx]

pc->3.5mm switch->

-output 1, speakers
-output 2, headphones

A/B switch from one to the other.