Our Two-Year Warranty
Granelli Audio Labs purchases new, authentic SM57s from authorized Shure® dealers. Our modifications are done by hand, and we inspect and test each microphone. Our modified SM57s are no longer a Shure product, and they are not covered by Shure's® warranty, but we guarantee each of our microphones with our own two-year warranty. If you have any problem with your G5790 that is not the result of negligence or disassembly, please contact us for prompt warranty service.
If you have any further questions, please feel free to contact us.