I would suggest that you find headphones that you like and add a ModMic to 
them. It uses a magnetic mount that is small and no one will even notice it 
when the mic is not attached to the headphones 

If you do not know I am a very serious SSB contest operator.  Here are my 
thoughts from a previous message to this list:

A number years ago I started using Bose QC-25 headphones because they have very 
good noise cancelling and I have a window unit and amps with fans in them etc.  
So I have just the kind of noise they do a very good job getting rid of - and I 
would use them in CW contests.  But I did not have a good way to mount a mic to 
them. K3LR glues a mount onto his Bose headphones.  

But I kept looking for a mic - and after some searching I found the perfect 
microphone for my use. 

It is called a ModMic sold by Antlion Audio - and it has a small, strong magnet 
that you stick onto the phones.  And then the boom mic attaches to that magnet. 
 And it works great.  After doing a lot of tweaking and listening to recordings 
made on another receiver I settled on some TX EQ settings on the K3 that I 
think work very well and sound very good on the air. 

The model is this one:

https://antlionaudio.com/products/modmic-uni-usb-sound-card

It comes with a usb sound card but you do not need to use that - it has a 3.5 
mm plug on it that will connect to the rear mic input on the K3 and the K3 will 
power the mic correctly when you turn on the bias voltage in the menu.  

The TX EQ settings that I have settled on with this microphone are these:

1    50 hz    +3
2   100 hz   +3
3   300 hz     0
4   400 hz     0
5   800 hz   +5
6   1600 hz  +6
7   2400 hz  +4
8   3200 hz  +7

I tried settings that rolled off the low end in a few contests but for me this 
is not work well - this gives me a fuller sound that I am much happier with and 
I often get good audio reports from folks. 

YMMV


George Fremin III

> On Aug 6, 2023, at 3:25 PM, Lee Hiers <lee.hi...@gmail.com> wrote:
> 
> On Sun, Aug 6, 2023 at 3:24 PM Jim Brown <j...@audiosystemsgroup.com> wrote:
> 
> 
>> The only shortcoming of the Yamaha headset is it's somewhat light
>> construction -- I'm super clumsy, am always knocking the headset on the
>> floor, which has broken the cable. But at $60 or so compared 4-6 times
>> that cost for ham specialty headsets that are no better, it's cheap.
> 
> 
> My CM-500 has kinda fallen apart, so I've added new earpads to my old Sony
> 7506 'phones and have been enjoying them on CW.  I'm thinking about trying
> to mount the Yamaha mic, or just get a ModMic to add to the Sony.
> 
> 73 de Lee, AA4GA
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