I buy this unit as a present for my husband , the first one we have only a month , it continually freeze up during frame until it finally freeze up and we could not get the door to open and give back the dvd . we return it and the new one have the same problem . the disc regardless of the brand skip , freeze up , the audio and video will become unlined . I believe one of the prior review be correct in say that the unit overheat . most of the time when we turn the unit it on it make a horrible loud noise , we will have to turn it off and on until it start up fine . the sound , once it get go , have great quality but I would not recommend purchase this item .