Xiaomi MIJIA Laser Projector 4K version with 4K resolution launched. - Page 23 - AVS Forum | Home Theater Discussions And Reviews
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post #661 of 1260 Old 06-05-2019, 11:23 AM
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Originally Posted by pwnpwnpwn View Post
Does anyone know when there's comming an international version? Every where I see this Chinese Version...?
Chances are we wont get one but Vava does have similar setup to this. Vava is more expensive and their warranty seems a little weird but if you truly want to avoid this model then you can always try the Vava.

I personally use my Denon AVR-X7200WA receiver to connect all my consoles, UHD player and Apple TV with this projector and I never even see the menus after my initial setup.

Reciever: DENON AVR-X7200WA using 7.2.4 with two center speakers (one behind the screen and one below it).
Amplifier: Emotiva XPA-5 Gen1
Projector: Xiaomi UST Laser Projector 4k (2019 edition).
My current setup: https://imgur.com/gallery/RnRc98a
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post #662 of 1260 Old 06-05-2019, 03:32 PM
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Has anyone tried without power converter? I had the older white version and it stated 220v, but I used just fine with 110v pluggled directly. Never needed a converter, just plug adapter.
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post #663 of 1260 Old 06-05-2019, 03:35 PM
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Quote:
Originally Posted by Mjzsakae View Post
https://youtu.be/T3FQjCyNtdw

The guy bought it..

100" ALR PET Crystal Screen
The first decent review of both. Tempted to get that screen, but want in 120" size and perhaps half the asking price.

Xiaomi Mija Mi Laser UST 1080P (International), Sharp 4k 65", LG 4k 43", Nvidia Shield
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post #664 of 1260 Old 06-05-2019, 05:38 PM
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Originally Posted by Danilo Correa View Post
Has anyone tried without power converter? I had the older white version and it stated 220v, but I used just fine with 110v pluggled directly. Never needed a converter, just plug adapter.
That is the one I have assuming you are not talking about the international version because both are white.
Mine needs the converter.

I am not sure why people complain about the converter it is $20 lol.

Reciever: DENON AVR-X7200WA using 7.2.4 with two center speakers (one behind the screen and one below it).
Amplifier: Emotiva XPA-5 Gen1
Projector: Xiaomi UST Laser Projector 4k (2019 edition).
My current setup: https://imgur.com/gallery/RnRc98a
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post #665 of 1260 Old 06-05-2019, 06:11 PM
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Originally Posted by oni222 View Post
That is the one I have assuming you are not talking about the international version because both are white.

Mine needs the converter.



I am not sure why people complain about the converter it is $20 lol.
It's the first version, not international. And it stated 220v but works with 110v. No complainting, just dont want extra hardware if not needed. There's a video on youtube of people taking them apart and it clearly shows the power to receive 110v to 240v, just wondering if this is the case with this one.


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post #666 of 1260 Old 06-05-2019, 06:22 PM
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Quote:
Originally Posted by Danilo Correa View Post
It's the first version, not international. And it stated 220v but works with 110v. No complainting, just dont want extra hardware if not needed. There's a video on youtube of people taking them apart and it clearly shows the power to receive 110v to 240v, just wondering if this is the case with this one.

https://youtu.be/VYM75xMciO0

Thank you.


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Hopefully some of the owners will chime in. Mine wont arrive for 4 weeks so hopefully somebody will answer you by then.
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Reciever: DENON AVR-X7200WA using 7.2.4 with two center speakers (one behind the screen and one below it).
Amplifier: Emotiva XPA-5 Gen1
Projector: Xiaomi UST Laser Projector 4k (2019 edition).
My current setup: https://imgur.com/gallery/RnRc98a
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post #667 of 1260 Old 06-05-2019, 07:34 PM
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Originally Posted by oni222 View Post
Hopefully some of the owners will chime in. Mine wont arrive for 4 weeks so hopefully somebody will answer you by then.
Well I researched the internet and they say for electronics it is generally safe to try plugging a 220v rated device into a 110v source with out damaging the device providing there are no motors etc. I am away form home for a couple days but when I get home I will give it a quick try and see what happens. I bought the Chinese version in Shanghai and brought it home to Canada. I just assumed that nowadays all electronics are compatible with 110/220 so I was surprised when I read that the Chinese model is rated at 220 only. Not wanting to ruin my brand new baby I bought an up-converter transformer, but It be great if I didn't have to use it, so Ill give it a quick test. Wont' be home unit Friday the 7th to try this.
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post #668 of 1260 Old 06-05-2019, 07:38 PM
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Originally Posted by Westcoast604 View Post
Well I researched the internet and they say for electronics it is generally safe to try plugging a 220v rated device into a 110v source with out damaging the device providing there are no motors etc. I am away form home for a couple days but when I get home I will give it a quick try and see what happens. I bought the Chinese version in Shanghai and brought it home to Canada. I just assumed that nowadays all electronics are compatible with 110/220 so I was surprised when I read that the Chinese model is rated at 220 only. Not wanting to ruin my brand new baby I bought an up-converter transformer, but It be great if I didn't have to use it, so Ill give it a quick test. Wont' be home unit Friday the 7th to try this.
Thats awesome, thank you. Do you have the new 4k version correct?

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post #669 of 1260 Old 06-05-2019, 07:41 PM
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Originally Posted by Danilo Correa View Post
Thats awesome, thank you. Do you have the new 4k version correct?

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Yes, I have the new Black 4k Version . I bought it form the Xiaomi store directly.
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post #670 of 1260 Old 06-05-2019, 10:27 PM
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Originally Posted by Danilo Correa View Post
Has anyone tried without power converter? I had the older white version and it stated 220v, but I used just fine with 110v pluggled directly. Never needed a converter, just plug adapter.
Mine works perfectly fine without power converter, just the cheap plug adaptor. I'm in Texas. Looking at the teardown of this 4k "black" Chinese only model vs the USA "white" 1080p model, they both have the same 110-220 power supply inside.
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post #671 of 1260 Old 06-06-2019, 09:39 AM
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post #672 of 1260 Old 06-06-2019, 08:00 PM
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Can anyone measure the color gamut if it exceed REC 709? I'm interested if it can at least meet 90% of DCI-P3. Also, does it come with dynamic contrast with light dimming features?
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post #673 of 1260 Old 06-06-2019, 11:38 PM
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If it is like Vava 4k rebranded for USA (?) then "it is clearly a Rec.709 display." according to this review
https://hometheaterhifi.com/reviews/video-display/projectors/vava-4k-ultra-short-throw-laser-projector-review/
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post #674 of 1260 Old 06-07-2019, 02:50 AM
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Thanks for the review link. It looks like the color gamut might be wider from Rec 709. Possible to use MadVR to map HDR to SDR and fully utilize the whole color range that the projector able to provide. Only cons I can see is no dynamic contrast using Laser dimming and Red deficiency on higher brightness.

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post #675 of 1260 Old 06-07-2019, 08:26 AM
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Quote:
Originally Posted by TexasDJ View Post
Mine works perfectly fine without power converter, just the cheap plug adaptor. I'm in Texas. Looking at the teardown of this 4k "black" Chinese only model vs the USA "white" 1080p model, they both have the same 110-220 power supply inside.
I'm a little leary to try it w/just a plug adapter; expecting delivery of my PJ Tuesday. The power consumption on the 4K model is supposed to be higher than the previous 1080p. Looking at Amazon for step-up voltage converters able to handle 500 volts just to be safe; but, so many choices w/mixed user reviews.

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post #676 of 1260 Old 06-07-2019, 09:53 AM
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Originally Posted by rjyap View Post
Thanks for the review link. It looks like the color gamut might be wider from Rec 709. Possible to use MadVR to map HDR to SDR and fully utilize the whole color range that the projector able to provide. Only cons I can see is no dynamic contrast using Laser dimming and Red deficiency on higher brightness.
I do not have any hardware to help with your request but if somebody has it and wants to drive down to Nashville, TN then you are welcome to come to my home.

Reciever: DENON AVR-X7200WA using 7.2.4 with two center speakers (one behind the screen and one below it).
Amplifier: Emotiva XPA-5 Gen1
Projector: Xiaomi UST Laser Projector 4k (2019 edition).
My current setup: https://imgur.com/gallery/RnRc98a
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post #677 of 1260 Old 06-07-2019, 11:01 AM
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I'm thinking about buying this projector, but I have a dumb question about screens.

If I have a dedicated room that will always be dark, can I get away with a normal projector screen? The ALRs are nice, but expensive and I don't plan to have the lights on in the room. From what I've read, in the dark they should be similar in performance. I guess I'm wondering if an ALR screen would reduce the glow on the ceiling. Am I missing anything from not buying ALR?
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post #678 of 1260 Old 06-07-2019, 11:34 AM
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Can anyone who bought an XY Screen send me a PM?
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post #679 of 1260 Old 06-07-2019, 03:43 PM
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Originally Posted by Westcoast604 View Post
Yes, I have the new Black 4k Version . I bought it form the Xiaomi store directly.
So Just got home, plugged the Xiaomi cable into my adapter plug and directly into my 110v socket, and BOOM! It worked Let it run for a while, there was no flickering of the video or strange noises from the fans indicating they were not getting the correct voltage. The screen brightness seemed the same. I'll report back this weekend if I run into difficulties. Maybe I can even return this transformer to Amazon... Save 40 bucks...
I have this model : attached file
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post #680 of 1260 Old 06-07-2019, 03:46 PM
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Originally Posted by Matthew Condio View Post
I'm thinking about buying this projector, but I have a dumb question about screens.

If I have a dedicated room that will always be dark, can I get away with a normal projector screen? The ALRs are nice, but expensive and I don't plan to have the lights on in the room. From what I've read, in the dark they should be similar in performance. I guess I'm wondering if an ALR screen would reduce the glow on the ceiling. Am I missing anything from not buying ALR?
I've been kinda wondering the same thing. Thinking maybe I'll go middle of the road with a grey screen to add a bit more contrast and deeper blacks. BUt I also don't think I need the ALR as I have controlled room lighting with very dark shades on the one window. Be curious to hear what people think.
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post #681 of 1260 Old 06-07-2019, 04:00 PM
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Quote:
Originally Posted by Westcoast604 View Post
So Just got home, plugged the Xiaomi cable into my adapter plug and directly into my 110v socket, and BOOM! It worked Let it run for a while, there was no flickering of the video or strange noises from the fans indicating they were not getting the correct voltage. The screen brightness seemed the same. I'll report back this weekend if I run into difficulties. Maybe I can even return this transformer to Amazon... Save 40 bucks...

I have this model : attached file
Thank you for doing that. Exactly as I thought, same with the old models, it states 220v but works on anything
Sweet

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post #682 of 1260 Old 06-07-2019, 07:58 PM
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Thought I'd chime is as well as I just received my 4k and was initially worried about 240v power as well, however after switching the cable the projector turned on with no issues and seems to work fine.
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post #683 of 1260 Old 06-07-2019, 08:16 PM
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Quote:
Originally Posted by Westcoast604 View Post
I've been kinda wondering the same thing. Thinking maybe I'll go middle of the road with a grey screen to add a bit more contrast and deeper blacks. BUt I also don't think I need the ALR as I have controlled room lighting with very dark shades on the one window. Be curious to hear what people think.
If your room is light control, than you can use normal screen. I don't think gray screen help anyway if you can lower the laser power to reduce the black level. Note that most measurement show that gray screen doesn't really help to increase contrast. You want high brightness for HDR. The only sure way to increase contrast is to reduce light reflection in your room. I paint my room matte dark gray with black velvet on the ceiling 6' from the screen. That really help to cut down reflection. Think it this way, if your projector light is from the bottom pointed to the screen, naturally the light will reflect to your ceiling so best to use black velvet to absorb as much light reflection as possible. The worst is white plaster ceiling.
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Last edited by rjyap; 06-07-2019 at 08:21 PM.
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post #684 of 1260 Old 06-07-2019, 09:15 PM
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Quote:
Originally Posted by Westcoast604 View Post
I've been kinda wondering the same thing. Thinking maybe I'll go middle of the road with a grey screen to add a bit more contrast and deeper blacks. BUt I also don't think I need the ALR as I have controlled room lighting with very dark shades on the one window. Be curious to hear what people think.
I tried gray screen, it's waste of money, just reducing brightness and no benefit in contrast or deeper blacks. Either go with white matte or ALR.
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post #685 of 1260 Old 06-07-2019, 09:59 PM
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Quote:
Originally Posted by Matthew Condio View Post
I'm thinking about buying this projector, but I have a dumb question about screens.

If I have a dedicated room that will always be dark, can I get away with a normal projector screen? The ALRs are nice, but expensive and I don't plan to have the lights on in the room. From what I've read, in the dark they should be similar in performance. I guess I'm wondering if an ALR screen would reduce the glow on the ceiling. Am I missing anything from not buying ALR?
I have a light controlled room and I use a standard screen and it makes no difference.

Quote:
Originally Posted by Westcoast604 View Post
So Just got home, plugged the Xiaomi cable into my adapter plug and directly into my 110v socket, and BOOM! It worked Let it run for a while, there was no flickering of the video or strange noises from the fans indicating they were not getting the correct voltage. The screen brightness seemed the same. I'll report back this weekend if I run into difficulties. Maybe I can even return this transformer to Amazon... Save 40 bucks...
I have this model : attached file
Thank you for that, I need to grow some balls and plug in my first gen xiaomi. (I could of sworn I tried it but maybe I am remembering wrong). I need to find some mickey mouse cables from the garage to try it out.

Quote:
Originally Posted by Westcoast604 View Post
I've been kinda wondering the same thing. Thinking maybe I'll go middle of the road with a grey screen to add a bit more contrast and deeper blacks. BUt I also don't think I need the ALR as I have controlled room lighting with very dark shades on the one window. Be curious to hear what people think.
PET screen would be nice for the small times I get some light leakage from the blackout curtains but not worth the money.
Maybe 5 years from now I will find a cheap 150" PET screen for $500-$600 anything more than that is not worth the money IMHO.

Quote:
Originally Posted by rjyap View Post
If your room is light control, than you can use normal screen. I don't think gray screen help anyway if you can lower the laser power to reduce the black level. Note that most measurement show that gray screen doesn't really help to increase contrast. You want high brightness for HDR. The only sure way to increase contrast is to reduce light reflection in your room. I paint my room matte dark gray with black velvet on the ceiling 6' from the screen. That really help to cut down reflection. Think it this way, if your projector light is from the bottom pointed to the screen, naturally the light will reflect to your ceiling so best to use black velvet to absorb as much light reflection as possible. The worst is white plaster ceiling.
So I have an all white room and I get crazy white reflection. I was debating in painting the room matte black but the quotes I got where $1000 on average and that was with only one coat of paint. What do you recommend?
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Reciever: DENON AVR-X7200WA using 7.2.4 with two center speakers (one behind the screen and one below it).
Amplifier: Emotiva XPA-5 Gen1
Projector: Xiaomi UST Laser Projector 4k (2019 edition).
My current setup: https://imgur.com/gallery/RnRc98a
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post #686 of 1260 Old 06-08-2019, 05:37 AM
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Why is people always asking for ALR screen when they keep saying they have light controlled area.
Then why would u want a light rejection screen for?
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post #687 of 1260 Old 06-08-2019, 06:09 AM
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Why is people always asking for ALR screen when they keep saying they have light controlled area.
Then why would u want a light rejection screen for?
While my room can become completely dark, the ceiling and walls are white. I was trying to determine if an ALR screen has benefits outside of blocking ambient light. For example, would an ALR screen reduce the amount of reflection hitting my ceiling? Would an ALR screen reduce potential haloing around my frame? If I’m still at risk of these issues with an ALR screen, I will just buy some black fabric to mount on the ceiling to hide the glow.

Also, relating to this projector, has anyone measure the input lag? I don’t plan to game often in my theater, but there might be an occasional urge. Is it tolerable or is it pretty much a no go?


Thanks.
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post #688 of 1260 Old 06-08-2019, 07:29 AM
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As many of you guys are plugging this thing in w/o step-up voltage converters, think I'll give it a go as well. Just took delivery of my PJ; arrived a couple days earlier than FedEx's estimated date. Had been worried about how well this was packed by GB in China for its long travel to me in NE USA, but seems to have arrived intact. Pretty impressed with Xiaomi's build/packaging quality; feels solid, rivaling Amazon, Google, etc.

Will fire it up this evening and run it through its paces (4K & 3D), and come to my Optoma UHD51A... some unit pics for now (the white multiplug adapter was bought separately):

https://imgur.com/a/HggExcF
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Last edited by Brajesh; 06-08-2019 at 07:35 AM.
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post #689 of 1260 Old 06-08-2019, 07:44 AM
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Quote:
Originally Posted by Brajesh View Post
As many of you guys are plugging this thing in w/o step-up voltage converters, think I'll give it a go as well. Just took delivery of my PJ; arrived a couple days earlier than FedEx's estimated date. Had been worried about how well this was packed by GB in China for its long travel to me in NE USA, but seems to have arrived intact. Pretty impressed with Xiaomi's build/packaging quality; feels solid, rivaling Amazon, Google, etc.



Will fire it up this evening and run it through its paces (4K & 3D), and come to my Optoma UHD51A... some unit pics for now (the white multiplug adapter was bought separately):



https://imgur.com/a/HggExcF
I don't think 4k test is needed for today, let's do some 3D test...lol

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post #690 of 1260 Old 06-08-2019, 05:07 PM
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So I have an all white room and I get crazy white reflection. I was debating in painting the room matte black but the quotes I got where $1000 on average and that was with only one coat of paint. What do you recommend?
I paint the room matte 80% gray myself. Black might be too much for WAF. Neutral Gray actually looks pretty good.
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