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 Can I upload music for a Roger beep or can I only use tones for it? My 655hpc has a D.C. Low on the screen. What does this mean? I need to have a Stryker Sr955hp repaired. Need a phone number to call. I just purchased the 655 and no USB program cable was included. I dropped my radio and the meter is smashed, where can I purchase the front board? Comments 0 comments Article is closed for comments.