How many pins does the SR-655HPC microphone have? Shawn December 05, 2016 18:33 It uses the standard 4 pin microphone connection. Related articles Tuning Your Antenna for the Lowest SWR SR-655HPC Setup Guide I can't hear my roger beep, is something wrong? Is The Stryker 655 CB Radio Capable? Comments 0 comments Article is closed for comments.