How do i know i got the 2020 model and not the 2018 model. all the info on the item just says uhd30?

The uhd50 is the 2018 model. The uhd30 is the 2020 model.

if you buy it from Amazon US, it will come with a standard 110V plug. I'm assuming you need the right power converter or adapter in order to use it on 220v. Check the manufacturer's spec page to make sure it actually supports 220V. Some electronics don't support 220V (I fried my Bose Companion 5 speakers this way) and need separate power converters, but some don't.

How do i use the spdif output without the speaker off icon showing in the top right of the screen?

Menu -> Setup(Cog symbol on left) -> scroll down in setup until you see "Options" -> Scroll down in "Options" until you see Information hide and then turn that on.

Will i need a tensioned screen?

A $270 Silver Ticket Grey 106-inch stretched screen makes a HUUGE improvement. Over the years, many companies have created special paints to improve the wall experience - most no longer exist because a plain wall ALWAYS disappoints. A tensioned screen is not simply "nice," it's a necessity. There is no good reason to buy a 4k HDR projector at this kind of price tag without a screen. A wall does not reflect light well and is not as smooth, reducing color quality and clarity. "The resulting image will look like a snowy TV screen with bad reception at 144p. A quart of even the cheapest of screen paint is half the price of a projector screen." (projectorninja) You'd be better off with a Hisense 65U6G (or TCL 6). I easily assembled and installed my 128" Silver Ticket alone. Highly recommended. I would additionally suggest never using ECO mode. Go for greater brightness and buy a new bulb every few years. Then, the brighter UDH38 has better color, contrast, and lag.

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Description

🎬 Elevate your space—where epic 4K cinema meets pro-level gaming thrills!

LAG FREE PRO GAMING - Dominate with ultra-smooth 240Hz refresh and a lightning-fast 16ms response time—your competitive edge in every frame.
CINEMA GRADE 4 K CLARITY - Immerse yourself in stunning 8.3 million pixel resolution for razor-sharp visuals that redefine home entertainment.
LONG LASTING PERFORMANCE - Up to 15,000 hours of lamp life means years of epic movie nights and gaming marathons without worry.
VIVID HDR DEEP CONTRAST - Experience breathtaking brightness and rich blacks with HDR10 & Dynamic Black technology for cinematic color depth.
EFFORTLESS SETUP VERSATILE CONNECTIVITY - Flexible 1.1x zoom, ±40° keystone correction, plus HDMI 2.0, USB, VGA inputs to connect all your devices seamlessly.

The Optoma UHD50 True 4K Ultra HD projector delivers a stunning 8.3 million pixel resolution with 3,400 lumens brightness, perfect for immersive home theaters and ultra-smooth gaming at 240Hz refresh rate. Featuring HDR10 & Dynamic Black for vivid colors and deep contrast, it supports versatile inputs including HDMI 2.0 with HDCP 2.2. With easy image setup and a long 15,000-hour lamp life, it’s designed for seamless, years-long entertainment excellence.

Specifications

Contrast Ratio	16:9
Maximum Throw Distance	49 Meters
Light Source Operating Life	15000 Hours
Maximum Image Size	305 Inches
Lamp Wattage	240 Watts
Voltage	12 Volts
Minimum Image Size	34.1 Inches
Video Encoding	HEVC (H.265)
Picture Quality Enhancement Technology	UltraDetail
Hardware Connectivity	VGA, USB, HDMI
Control Method	Remote
Minimum Throw Distance	4 Meters
Mounting Type	Front, rear, ceiling mount, table top
Brightness	3,400 Lumen
Color	black
Wattage	240 watts
Controller Type	Button Control
Compatible Devices	Gaming Console
Additional Features	Low Input Lag, HDR & HLG Compatible, UltraDetail, Dynamic Black, UltraShort Throw, Portable
Connectivity Technology	VGA, USB, HDMI
Native Resolution	3840 x 2160
Display Resolution Maximum	3840 x 2160 Pixels
Display Type	DLP
Form Factor	Portable
Item Weight	8.6 Pounds
Item Dimensions L x W x H	12.4"L x 10.6"W x 4.64"H

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