Top Ten DX Doubler and MicroHAM Micro 2R are both nice mic/headphone switches. John KK9A To: CQ-Contest Reflector <cq-contest at contesting.com> Subject: [CQ-Contest] mic headphone switch source?? From: Charles Harpole <hs0zcw at gmail.com> Date: Sun, 3 Jan 2016 19:57:59 +0700 Hello, I am looking for a mic/headphone switch<snip>