How do I determine the warranty of my unit? Chris February 23, 2021 19:56 Updated Refer to the purchase date on your original receipt or invoice. Apogee’s warranty is one (1) year from the date of purchase. Apogee Warranty & RMA policy Related articles RMA: I purchased an additional warranty from a local authorized dealer. Is this warranty still guaranteed by Apogee? How do I set my software’s I/O buffer? Comments 0 comments Article is closed for comments.