BenQ TK850i True 4K HDR-PRO Smart Home Entertainment Projector powered by Android TV | 3000 Lumens | 98% Rec.709 | Lens shift & Keystone for Easy Setup | 3D Projector for Binge Watchers and Sports

I upgraded from the HT2550 I bought last year and I could not be happier. The HT2550 was a great intro to bringing affordable 4K projectors to the home but BenQ has outdone themselves with the new HT3550!!! Picture quality has improved vastly which is didn’t think was possible. This unit TRULY rivals the theater in ever way and that makes me happy to say as a lifelong cinephile. This is DREAM of a machine. Colors and clarity and unreal for a projector. Literally looks like I’m watching a giant Samsung or LG flat panel. Also throwing in the smooth motion feature has been one of my favorite additions. I get why some people aren’t a fan, and it definitely doesn’t work for all movies/shows. But throwing this feature on low goes that much future to improving the immersion of the whole experience. The smoothness brings LIFE to the picture in a unique way. BenQ must have updated the sound card as well because there much more clarity, space and deeper bass coming from this unit. My only gripe is that I can’t switch between sound modes. My “Sound Mode” feature is basically greyed out and stays on the default setting. It’s fine because it still sounds great but I’d love to test out the other modes as well. The unit is much fast that the HT2550 as well. Handshakes faster and menus aren’t as sluggish. This is a TRUE a cinematic experience for your home. For this price I can’t see it getting any better. Thanks BenQ!!!

Major set back is 3D. Yes it supports 3D but if you have ripped all your blue Ray to USB drive and have it in half SBS, you cant play it using media reader as the aspect ratio cannot be adjusted. If you have roku and use roku media reader, the projector wont detect 3D content and the button will be grayed out and no way to turn it on. If you try from remote - direct 3D, it will switch back to 2D and its a big no go. Benq cheap projectors allow you to use 3D manually but this one work. Have to return as its no go for me. Will look for laser projector at this price point.

In a location where half a dozen phones and computers have no trouble streaming video over wifi, this projector stutters and struggles. We usually end up plugging a laptop into hdmi, even though the reason I bought this model was to go wireless.

I purchased the BenQ HT3550 4K Home Theater Projector for this Christmas 2019, so far everything seems great in SDR format but when I use HDR the picture is a dark blue, everything is a shade of blue, I tried to make changes during but it doesn’t seem to change it much, setting different lamp brightness, picture modes and using the brightness/contrast as well as changing the Cinema settings pretty much have no effect, it remains blue… 12/27/2019 Currently I am awaiting a response from BenQ, and depending on the answer I will revise my rating, I wish I could give this 5 stars, I owned a previous BenQ projector (1080p) and it was fantastic! 12/29/2019 Update: Flashed to the newest firmware and reset all settings, I am happy to say the blue HDR has been corrected, and the picture is wonderful, but when disabling the pixel motion enhancer the fan is extremely loud with what sounds like an internal vibration noise. I will be returning this projector for another like unit in hopes that it was a defect or damaged in shipping...

My son projects his MacBook screen using this projector and it is really clear. I was surprised how clear the text was using this projector.

Projector is a great value for the money, however Im just now starting to see (6 or so weeks in from new) an occasional split screen like has been mentioned in forums regarding home theater and BenQ projectors. Hopefully this wont become a major problem like my last one did, but that one was a renewed projector so who knows what was fixed or not prior to sale. Would like to give 5 stars but just cant....

I have been an installer and enthusiast for over 20 years. My first install was a giant Barco RGB projector which put out a whopping 800 lumens. Projectors have come along way in every aspect. I chose this projector because I have a room that I can control all the lighting. I am able to make the room almost 100% black. This projector is absolutely stunning considering both the size and price point. It handles 4K material flawlessly. I must note that I installed the projector and used a fiber optic HDMI cable so I do not lose any signal along the path. I am shooting this onto a 100 fixed screen with a gain of 1.1, and it looks absolutely amazing. The lens shift is very helpful but note it is only vertical. There are multiple reviews out there with preferred settings to use to achieve maximum picture quality. So I will add mine. Lighting controlled room: Dynamic Iris: High Light Mode: Eco Picture: Cinema (If you set the 4K to Auto this will auto switch to H10 when 4K material is detected) Brilliant Color: On Wide Color Gamut: Off (I know I will get dinged for this, but my family enjoys a slightly brighter picture) Silence: Off We have viewed several movies from DVDs, to Streaming, to 4K Blu-Rays, and this projector will bring out the best in all of them. With that said, please keep in mind that a DVD at best is only 480p, which means it will look the worst on the projector, or any other 4K display. The only gaming I have done is on a regular PS4. I did not notice any lag, but I am not a competitive gamer. Finally, I must address lag from an audio perspective. The video is stunning and the visuals will blow you away when this is set up correctly and you are viewing good source material. There is inherent audio lag/delay when using a projection system depending how far away your projector is from your receiver. In my case, I purchased a 50 fiber optic HDMI cable so I could run it through the walls. Although fiber optic cables have more bandwidth to transport the entire unaltered signal, they are not any faster than a copper cable. Physics still apply here and the signal still has to travel the length of the cable. Not to mention the conversion to and from light at both ends. For my system, the magic number was 50ms of delay on the audio. This syncs up perfectly with the image. I would assume there is a calculation that can be found online for this, but I simply used a little logic and some trial and error. There is roughly 10ms delay for every 10 of cable. You may never notice it if you are running cable directly to a TV, but its there. When your image is 100+ inches, it is hard to ignore. Finally, I have viewed an installed several projectors that where 10 - 20 times more expensive than this projector. This is the happiest I have been with a small format projector, and I do not feel as though I am losing any performance. I know there are bigger and better projectors out there, but I challenge you to find one for less than double the cost. As with all reviews, please take this with a grain of salt as this is just my experience. I would recommend this projector to anyone who asks.

lots of projectors lies about contrast ratio. so far Ive heard the only affordable projector that come close to being in the thousands contrast ratio (yet less than the 2500 it claimed) is the benq ht2050a. so it sad to say this wasnt enough. but the movie experience was there, but I just couldnt justify spending this much on something that made me wonder what if. and brightness was going to get dimmer over time, and being rated at 2200 ansi lumens wouldve made it a scary, and unpleasant experience, each day gone by, before it died out.

I was impressed by the image quality in terms of colors, etc. However, something seemed off about the screen size. I realized what it was when Walter Mitty looked like he lost 25 pounds since the last time I watched that movie. Compare picture 1 (1080p on phone) with picture 2 (1080p on HT3550) and you should be able to see the difference. In my setup, the projector is sitting in the back of the room, high up on a shelf on the wall. I had to adjust it downwards by a lot, but still within a bounds of whats correctable using its keystone adjustment. However, I confirmed through measuring the image, that the more keystone you apply, the more the ratio gets distorted. Where I had it sit, it projected an image of 94⅜ by 55½. This is over 4 too narrow! It results in a ratio of about 15⅓:9 instead of 16:9. The ratio distortion is less at less keystone adjustment, but more measurements confirmed it does it even at minimal adjustment. My current 1080p projector doesnt have this issue at all. I dont understand how this is even possible, since the keystone adjustment is (as far as I understand) not a physical thing, but a digital thing. Even if some viewers might not notice it, a $1500+ machine should not have this kind of problem, so I returned it within 24 hours.

For background I have owned the benq w1070 for 5 years or so. Which has performed wonderfully. I have had my eye on the 3550 for a little while. Having pre ordered the xbox series x I figured it was time to upgrade my dedicated theater room to take advantage of 4k standard next gen games. I already own an xbox one x and 10 or so 4k uhd physical movies. Now that I have mounted it properly to the ceiling to get the image up to size for my 120 inch screen I can give an opinion on its performance. The clarity is stunning. The picture attached to this post was taken from my couch with my phone. It doesnt truly convey the experience, but I think its a good example. Film grain is obvious, so I found that the best quality in terms of clarity was from digital films on uhd discs. Avengers Endgame looked amazing to the point that I think the image is superior to a movie theater. The factory settings on the projector are close to perfect. The brightness is excellent in my dedicated dark basement theater room on a 120 inch retractable screen. Some key facts to keep in mind. This model uses pixel shifting to create a true 4k image from a native 1080 dlp chip. Whatever technological trickery they developed here works, end of story. My guess is upgrading to a native 4k projector would could/would be an improvement, but honestly I cant see a difference and that upgrade is thousands of additional dollars. I have a nice Sony 4k tv in my living room and I personally feel you cant fully appreciate the benefits of 4k unless the screen is huge, now that I have tested that theory I am convinced. Also, a key consideration for me was 3d. Like my previous w1070, this model supports 3d, so I cant still watch my large library of 3d blu rays. If you have never seen 3d with active glasses on a dlp projector its an incredible experience that I highly recommend. One last note, there is apparently some lag on most of the 4k projectors for gaming. I am a grown up who still plays games, not a competitive gamer. I tried out several games in 4k on my xbox. No lag issues I was able to identify. I also had to order a new ceiling mount as the hole pattern for the 3550 was totally different from my previous projector, but that was expected. To summarize, for the money this projector punches way above its weight class. If you have the space to dedicate to a home theater this is a worthy investment. Its a no brainer upgrade over the benq w1070, which for me was the best value of any audio visual equipment I have ever purchased. I am super excited to get my next gen game system plugged into this bad boy.