Will Modification Void My Warranty? Shawn March 12, 2019 18:42 Work performed by qualified technicians that did not cause any damage to the radio will not void the warranty. Related articles Can I Purchase Direct? How many amps does the SR-955HPC radio draw? Channel selector sometimes skips and doesn't feel as firm as I expected SR-655HPC Setup Guide Stryker SR-94HPC Microphone Wiring Comments 0 comments Article is closed for comments.