The concept of 4K HDR is really hot this time. For example, even if you wear microdermabrasion, you can't cover up the 3840x2160 code rate that you don't look like, plus the 10-bit depth output, the so-called natural color, etc. As a result, if your TV does not have HDR capabilities, it will not be a "real 4K TV." Including all 4K Blu-ray now released comes with HDR. (I would like to tell you about "your name" or "Lego Batman Movie" or even "God Stealing Daddy". You can add HDR to these cartoons and animations).
(The two left-hand people bought it, the right one, forehead, then explain)
Details on the concept of 4K, UHD Blu-ray and so on, here is no nonsense. You can search on your own.
Reasons to purchase In the beginning, I actually didn’t need to buy a UHD Blu-ray player. After all, many digital versions now have 4K HDR versions, so that before all the entertainment projects were actually used right now (yes, I used to be a screen. ) The Sony Dafa 55X-8500D 
. Such as Assassin's Creed, such as Planet Earth.
However, afterwards, "your name" released the 5Disc version of the collector's edition (set in the middle of the image above). One of the discs was a 4K HDR UHD Blu-ray disc. So considering that there is no equipment at home, and 4K HDR is so hot, it is time to buy a machine comfortable. Because I had previously worried about the difference in HDR standards among different manufacturers, the output results are not good (for example, the HDR color range of my 8500D is only one BT.2020, of course, BT.709.sRGB and DCI, but not really HDR's color range), so for the sake of conservation, of course, is also to "protect the uncle's smile." 
Decided to purchase this UBP-X800.
Purchased from Sony's official shopping mall in Australia, it has just been purchased at the time of purchase. The original Blu-ray machine with a price of 499 Australian dollars has a special price of 398 Australian dollars. Of course, 14 pieces of freight will be sent home. But overall it is still earned.
Pseudo out of the box (in fact, something is wrapped up and reopened once)When something was at noon, DHL's supply chain service was sent to the door of the house (this is not DHL Express, I waited for 7 days between Australia's east and west shores.). So this is the packaging:
Packaging above:
From the theoretical point of view all should see it, my speed and passion of the plate is to buy a machine to send, the beginning has not this bundled version, when the promotion with a 398 to buy a 499 machine + a speed and passion of UHD Blu-ray, I actually made a lot of money. Then open the box.
Very compact packaging, power cord, battery, remote control. Then move the machine out.
The machine is like this, focusing on the label above, so the middle texture is less clear. Here you should see what the machine supports: UHD Blu-ray, 4K HDR, Hi-Res Audio, wireless multi-room music playback, Bluetooth+LDAC, and 1080P up to 4K 60fps.
This is the back, you can see there is a cable interface, 2 HDMI interface, a coaxial interface, and then gone.
By the way, this thing is 4KG.
Open the box to this end, into the actual use of links.
Basic evaluationAt the beginning, when I finished all the initial configuration, I just wanted to use this machine as a Blu-ray player. That's it. Then I discovered a bunch of amazing features and I explained it slowly.
system interfaceSupport the use of network applications, network functions. But the interface is very vague:
Here, the words above HDMI1 are from the TV, and the icons below are from the player. You should see the difference between the two in the font. This is really bad review 
... Maybe the system update will improve afterwards, but this is the feeling when it comes out of the box.
Test Source: Your Name, 4K HDR UHD-Bluray
I won't blow up on the naturalness of color, etc. I'll take a look at the two screenshots. The camera function used is from Xperia XZ Premium, which is also Dafa.
Anyway, in my opinion, the colors are relatively natural, and I look comfortable and nothing more.
Let me look at your development, oh no, HD lifting algorithm, normal abnormalTest piece source: MV (Blu-ray, 1080P, 23.976fps) included in the Kalafina 100 Fire Metrics Limit B
The main reason why I used this test piece source is that when I read it on a computer using a normal Blu-ray drive, my expression is this: 
Give you a feeling:
My K group is definitely not this kind of dross quality... I don’t believe it, I’ll try it on a Blu-ray machine.
In the same place, after selecting all the signals to output all 4K... I was wrong. There is more noise, but in the distance it seems that the clarity is so high...
So the principle should be an algorithm with the processing chip in the TV. Therefore, if there is not much noise in the video itself, the improvement effect should be significantly more, and it is more comfortable.
This camera natively integrates DLNA functionality. Means that I can directly play a bunch of songs and videos on the computer, and then I can play on the player.
Looks like this feature, this... Isn't it all that I can do with TV?...? Slow and slow.
Bluetooth, LDAC Have played Sony's speakers in recent years, amplifiers, this kind of, we should be more familiar with LDAC? It is Sony's own compression algorithm, and then pass the music to a supported Bluetooth device, so that you can hear Hi-Res music under Bluetooth status. This machine can connect to any Bluetooth speaker device and support LDAC connection. This means that you can use any Bluetooth stereo as your Blu-ray player's audio output device. This is absolutely good for those who have a Bluetooth device, don't want to listen to a variety of speakers, and cannot afford a home theater. 
. Test equipment: Dafa CAS-1, Bluetooth connection, success.
On this function, with the DLNA function, you can send music to the Bluetooth speaker through DLNA. In disguise, your Bluetooth speaker will add the same network function as the SRS-HG1 (if you have Spotify, Spotify can also , as long as you open the application.) 
Like most Hi-Res speakers/amps, this item can be controlled with Songpal, which is now the Music Center. Means that you don't need to turn on the TV, the music is controlled casually, and the above two functions are used. To put it plainly is to enjoy a good combination of music.
Another reason this machine is actually very valuable is that this machine, in addition to being able to play UHD Blu-ray, ordinary Blu-ray, DVD, and CD, natively supports SACD playback.
This picture is the interface when playing SACD, testing resources: Ghibli Symphony Collection SACD. Of course, I doubt very much that the residue quality is really Sony's production...? 
But with the aforementioned features, you can enjoy SACD through a Bluetooth speaker that supports LDAC without turning on the TV.
As a Blu-ray player, it is a Blu-ray player. As a machine that is pursuing the ultimate quality, this station has also achieved this. If I don't want to watch videos, I just want to listen to the songs. This camera is a real-playing multi-functional music player, but it also supports Sony's various technologies. The only flaw is the vagueness of the hot eyes above the main menu.
In most modern players, amplifiers, and TVs that come with their own smart systems and Android systems, buying a TV seems to be no longer required to buy other devices. This is what many manufacturers want to do. However, Sony’s machine told me that in this era when everything is mixed up, I’ll go overboard and give you unexpected features.
If you only have a 4K HDR TV with the most basic features, this player is extremely playable. If you have a smart TV, this player will be able to provide you with most of the useful features of your home theater at about 2500-3000. If you want a music player that supports multiple media formats, this SACD-enabled machine can serve as your reference. Of course, for many people, this price may not really be worth starting right now. Therefore, if you are not too impatient, you may consider waiting for a while and believe that the price will fall back, or you can also discount.
For those of us who are still tweaking newer equipment, the function this machine gives me is enough for me to offset the idea of ​​buying a new power amplifier, because it can match my current equipment, and the curve realizes all of the power amplifiers that I replaced. reason.
This evaluation is really because of the excitement. The evaluation of many things is not complete. Please understand.
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