For C.B. radio I use these.
http://www.premiere-electronics.net/store/midlandcb.html
![CB Parts List??? 75-820b](https://2img.net/h/www.www.premiere-electronics.net/store/media/75-820b.jpg)
Headsets and wiring info. I use the "751" for open face helmets in my full face helmet.
For full face helmets
http://frontpage.erie.net/carol129/Motocomm/Motocomm_MC551.htm
For open face helmets
http://frontpage.erie.net/carol129/Motocomm/Motocomm_MC_751.htm
The same headset system also works with my GMRS radio.
![CB Parts List??? 1095522705_4238567093_thumbnail](https://2img.net/h/www.truckers-store.com/image_manager/attributes/image/image_79/1095522705_4238567093_thumbnail.jpg)
C.B. about $90
Headset about $58
I hope this helps.