Anyone bought direct from ps audio and returned it?

There is zero chance you will have a problem. Proceed with no hesitation. 

I been down there a few times.  Took a tour, met Paul, bought some power cables and an Stellar 300 amp.  Hain't never returned noth'n.  But I would be astounded if you had issues in doing so.

I bought a Stellar amp from them. Zero problem with customer service. If you want to return anything, I would expect no difficulty. 

I purchased a BHK preamp and BHK Stereo amp in early December when they went on sale.  Loved them, but the amp was too big for my small rack.  Returned them both with free shipping both ways, and no questions asked.  A phenomenal company ane great return policy! 

I have had nothing but terrific service and phone support over 6 years of ownership of PSA products. They answer the phone.  You get to talk to the technical people if necessary.  They fix things quickly.  They ship gear well.  I have not returned an item, but they are consistently focused on service.  I kept my BHK amp and preamp bought in Dec. but yes, the amp went on the floor!