Does the 955 have all the am channels that 497 does? Shawn January 09, 2017 20:28 Yes, in fact, it has more channels than the SR-497HPC. Related articles Can I power the 655 with a cigarette lighter adapter? Can I upload music for a Roger beep or can I only use tones for it? Does the SR-955HPC have a "PA mode". If yes, where is the switch or button? How do I determine built date? Will 8 gauge automotive wire soldered to the regular 12 gauge power cord hurt the radio? Comments 0 comments Article is closed for comments.