My KX3 only has a Phones output and that won’t drive speakers well, so I use an off-the-shelf headphone splitter and a cheap audio amp that runs off 12 V. The details are here.
https://observer.wunderwood.org/2017/03/04/speakers-for-my-elecraft-kx3/ <https://observer.wunderwood.org/2017/03/04/speakers-for-my-elecraft-kx3/> It looks like that particular audio amp isn’t available now, but there are plenty of similar cheap ones on Amazon. wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Jan 3, 2021, at 10:26 AM, Don Wilhelm <[email protected]> wrote: > > Chuck, > > Yes, you can do that by soldering a jumper across the switch at the rear of > the headphone jack. > If you prefer not to add the jumper, plug stereo computer speakers into the > headphone jack and plug your headphones into the headphone jack on the > speaker. > Try different computer speakers, some mute the speakers when headphones are > plugged in, others do not. > > 73, > Don W3FPR > > On 1/3/2021 12:58 PM, Chuck Chandler wrote: >> I've recently begun volunteering aboard the museum ship USS Slater, where >> they have a K2 in Radio Central. I've looked through the manual, but might >> have overlooked this. >> Is there a way to have both headphones and external speaker active at the >> same time? I'm thinking of being able to have audio for visitors while >> still using headphones to copy. > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]

