Very good price quality ratio, 2 Large 9 "screen, the sound seems to me strong enough, unlike what one can read, One screen can play video, the second reproduced only that broadcasts the first, positive is the fact that these screen have an integrated battery and suddenly the picture is not cut when the engine is off. The big negative for me is that there have no power outlet and that has to ordered separately a universal power cable (12 to 15) and more as the manufacturer could provide a This is why I takes only 4-star.. Otherwise it's a great player that plays DVDs and Divx USB key, DVD or SD card.