[CQ-Contest] mic headphone switch source??

Gerry Hull gerry at yccc.org
Wed Jan 20 11:07:17 EST 2016

Great Suggestions.

Here's another one that works great, is very low cost, and integrates well
with ham radio gear.

Find a ClearOne Communications XAP400 Audio Conference mixer on the used

Here's one on ebay for $19 USD:



- Digital Mixing internally, analog I/O.
- Dry-Contact (aka footswitch/ptt) firing of macros, which can do
everything from switch mics/headpones to adaptive filtering, etc.
- Many more I/Os than you'll ever need.
- Balanced 600 Ohm I/O on every channel.

Very inexpensive -- with a little work you'll have a switch you'll never
run out of uses for.

73, Gerry W1VE

On Sun, Jan 3, 2016 at 7:57 AM, Charles Harpole <hs0zcw at gmail.com> wrote:

> Hello, I am looking for a mic/headphone switch that does this and only
> this.......
> Mic in
> Headphone listening via this socket.
> ​Switch A and B
> Two mic outputs, switch from front panel.
> Two stereo headphone inputs, switched from front panel, source for these
> are two radios' headphone outputs.
> The switch allows me to use ONE mic/headphone combo to drive either of two
> voice radios  AND hear via ONE stereo headphones listening to one or the
> other of headphone outputs from the radios.   Switch choice A selects both
> mic and headphones to radio A and choice B selects both mic and headphones
> to radio B.
> A bonus would be a A/B selection of a stereo squeeze key line selected A or
> B switched along with the mic and headphones.
> Do you or can you make such a product?  or refer me to any vendor?   (I am
> in doubt of MFJ-1261​)
> 73
> Charly, HS0ZCW
> ​I am too old to build it myself.​
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