So if I do it will I damage my sm57? The only mics to worry about re: Phantom power, are Ribbons. But you have to assure yourself you’re doing everything right. I would then blend the sound of both to get the best tone. Find An Answer Browse our vast Answer database for answers to many common technical questions. I have an SM57 and an Audio Technica microphone that requires phantom power, and I'm wondering if I run my phantom power through the SM57 if any damage will come from it? The problem is the Rode needs phantom power and the sm57 does not. Frequently Asked Questions Does a Shure SM57 need phantom power? No, phantom power can’t do damage to your guitar. Answer. When I switch phantom power ON it's for both mic inputs. A professional, balanced, dynamic microphone will not be damaged by phantom power. Although it shouldn’t damage it, it’s advisable to have phantom power switched off when using this mic. Some users report hissing on recordings. Being a dynamic mic, the SM57 does not need phantom power. Whichever you choose, all of these options will do a great job of giving your SM57 the additional is gain it requires. That drastically changes the sound. Back in the old days, I'm told they actually used to demagnetize dynamic mic outputs (like the SM57 and others) that had been exposed to phantom power … But if you don't need it, (as with the SM57) turn it off anyway. The SM57 is a dynamic microphone. A Rode NT1-A and a Shure SM57. The SM57 is a dynamic microphone and the SM81 is a condenser, needing phantom power. I would like to use them both, the sm57 closer to the speaker and the Rode a bit more distant.