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🎬 Light up your screen, level up your vibe.
The Fancyleds 2.1 Sync Box is a cutting-edge HDMI 2.1 ambient backlight system designed for 56" to 65" TVs, supporting ultra-high resolutions up to 8K 60Hz and refresh rates up to 144Hz. Featuring 96 RGBW LEDs per meter, it delivers vibrant, smooth lighting synced in real-time with your HDMI device’s content, enhancing movies and gaming with immersive ambient effects. Compatible worldwide with a universal power adapter and backed by a 2-year warranty, it’s the ultimate upgrade for a next-level viewing experience.

| ASIN | B0DKN8P5QR |
| Best Sellers Rank | #26,812 in Electronics ( See Top 100 in Electronics ) #181 in Wireless & Streaming Audio Systems |
| Brand | Fancy LEDs |
| Brand Name | Fancy LEDs |
| Color | Black |
| Customer Reviews | 4.4 out of 5 stars 165 Reviews |
| Display Type | HDMI |
| Included Components | Device |
| Item Dimensions L x W x H | 6.6"L x 4.1"W x 9.1"H |
| Manufacturer | Fancyleds |
| Model | FSB1P2.1 |
| Part Number | FSB1P2.1 |
| Product Dimensions | 6.6"L x 4.1"W x 9.1"H |
| Smart Home Compatibility | Not Smart Home Compatible |
| UPC | 721678539868 |
| Unit Count | 1.0 Count |
| Voltage | 12 Volts |
| Warranty Description | 2 year manufacturer warranty from date of purchase. |
J**N
Absolutely loving this!
What sets this apart is that it uses the feed directly from the receiver—no bulky camera stuck to the top of the TV like other brands. Setup was super easy, and my whole family is obsessed with how much bigger and more immersive it makes the TV feel. I previously had a similar model from another company, and it was just okay. This one, though, looks fantastic—clean, bright, and way more accurate with the colors. The clip I shared is from one of the best scenes in Game of Thrones (Battle of the Blackwater), and this was filmed at 2 PM with the lights on. It looks even brighter and more incredible in a dark room. If you're on the fence, this is the one to get.
J**N
Would buy again
These have worked really well! A little iffy on the setup but once I got it in place I am very happy
B**Z
Great ambiance, the hassle was all worth it.
A little hard to put on, but it was all worth it. We love the lights at night, against the walls. Also, you will need a second source / controller such as Xbox, PlayStation, or Fire TV Stick. Because it does not sync to tv, it needs to go through the control.
X**0
Great Product with Some Bugs
Overall super happy with the device. I got the LED for my 65" TV. Install was super simple, looks great, and my friends are all amazed by it. There are a few issues you should be aware of though: * The sticky tapes that come with the brackets are sometimes a little difficult to peel. Using a razor helped. * My setup is Apple TV > AV receiver > FancyLED box > TV, sometimes whenever I go from regular to Dolby vision, the LED lights stop working until a restart on the Apple TV occurs. Overall happy with the product.
A**M
Completely changed gaming for me
The lights were easy to set up and they look absolutely beautiful. Lots of light customization options with their app so I could tweak levels just to my liking. I can’t play video games anymore without these lights, they truly enhance the experience. Movies and shows pop as well. Definitely worth the purchase.
S**Y
User Error? Possibly
Have been using these since I got them a few weeks ago and here's some things I have noticed. The app? Wonderful. I love the different modes (sound, scene, ect...) I think the colors get bright, and I LOVE the variety of colors this can do. I appreciate there not being a camera to put up as well As far as hooking a PS5 through it though we did see some technical difficulties. Now was that user error? Probably. But some of it I don't feel like it. Playing games through the box they come out blurry, multiple settings need changed in order to help this. And this is after several reddit articles and forumns read. Right now our solution is not using the box when gaming because of this. I really didn't want to return this because I absolutely love the experience you get when watching a movie so much. So all in all if you're more tech savvy than me get the lights. If you're not? Still get them cause it's cool 😝
H**P
So good
I love it…a lot better than govee sync box and you can buy two more strips to work wirelessly with this
S**O
Good
It look good , still figuring out the syncing part to the tv but it’s good
N**H
This is really amazing
I just received my package today and I’m really impressed with the colors. lights are syncing without any delay with videos. Thank you
K**K
Fancy lights
Thank you . Love these lights
J**A
Works well and customer support is super efficient.
Temporary bad review. The lights are not syncing to the TV colors. I only get white lights. Waiting for support to change my rating. *UPDATE* support helped me pretty quickly and fixed the issue. Works perfectly now. 10/10
L**A
Mejor opcion calidad/precio
Excelente producto, muy fácil de instalar y configurar, los colores son muy precisos y el costo muy accesible en comparación a los HUE de phillips, no todas las películas lo aprovechan, seria para películas de ciencia ficción y vídeo juegos ya que es compatible con Vrr y allm para aprovechar al máximo el HDMI 2.1.
D**N
1,5 Jahre Benutzung und immer noch gut!
Die LED Box haben wir an unserem LG B1 77 Zoll verbaut. Weiterhin ist die Box in der HDMI Schleife zwischen TV und AV Receiver. Technisch funktioniert das erstaunlicherweise mit allen HDMI 2.1 Features. Die LED samt dem ambilight Effekt sind gut - sehr gut, bei Funken Szenen flackert es manchmal, was mit der Speed Einstellung in der App auf 1% nahezu ausgemerzt ist. Die Helligkeit haben wir auf 55%, damit es sanft und angenehm hell wirkt, ohne zu betont zu sein. Die Farben sind stark, Abstufungen erkennt die Box gut. In manchen Szenen hat er problem mit gelb bzw. grün, beides zu unterscheiden. Insgesamt nach so langer Zeit hinterlasst es aber einen tollen Eindruck.
Trustpilot
2 weeks ago
5 days ago