Pioneer’s service is at a much higher level than you will find from a Sam’s, Costco, online retailers or even other local hearing centers. In my search for improved hearing, I’ve tried them all! After a visit to Pioneer, I was amazed at their level of knowledge & expertise. Not to mention their quality diagnostic equipment! No high pressure selling! I found the entire staff in Norman to be attentive, friendly and helpful! Would highly recommend if you are experiencing any hearing loss!