"Firsthand feedback" refers to getting information or opinions directly from the original source or person who experienced something, rather than through someone else or secondhand. Full definition
We always appreciate receiving firsthand feedback from our customers. (eddiebauer.com)
I have been on the fence on several pairs of these and it's great to get this kind of firsthand feedback! (ladyinviolet.com)
Through the program, the nation's most active and influential automotive enthusiasts will be called upon to help industry professionals identify future trends by providing firsthand feedback on the products and vehicles debuting at the SEMA Show. (sema.org)