Onkyo 4speaker System Surround Sound

Onkyo 4Speaker System Surround Sound (2) SKM-360S (1), SKB-640 (1), SKC-640C. I picked these up in an estate sale and I have no way to test them.I am selling as is no return for parts only.I do think these could work just fine just have not been tested.Cosmetically these are not in new condition but I would say better then fair to good condition.One does have a small hole in the screen and scratches and marks on the outer plastics. One does have a small crack at the top  as in the photos.Please see photos as to condition. Please ask any questions