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🎬 Light Up Your Screen, Level Up Your Room
The Fancyleds 2.1 Sync Box is a cutting-edge HDMI 2.1 streaming media player and LED backlight system designed for 56" to 65" TVs. Featuring 96 RGBW LEDs per meter, it delivers ultra-bright, smooth ambient lighting that perfectly syncs with your HDMI device’s content in real time. Supporting 4K 144Hz and 8K 60Hz HDR signals with VRR and ALLM, it ensures lag-free, vibrant visuals for gaming and streaming. The all-in-one kit includes a universal power adapter and an LED strip, offering easy installation and broad compatibility with HDCP-compliant devices.






| ASIN | B0DKN8P5QR |
| Best Sellers Rank | #15,493 in Electronics ( See Top 100 in Electronics ) #118 in Wireless & Streaming Audio Systems |
| Brand | Fancyleds |
| Brand Name | Fancyleds |
| Color | Black |
| Customer Reviews | 4.2 out of 5 stars 180 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 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Part Number | FSB1P2.1 |
| Product Dimensions | 6.6"L x 4.1"W x 9.1"H |
| UPC | 721678539868 |
| Unit Count | 1 Count |
| Voltage | 12 volts |
| Warranty Description | 2 year manufacturer warranty from date of purchase. |
S**M
Better than Phillips hue
I upgraded from a 65" lg b6 to a 77" lg B4 and needed new sync lights. At first I was going to get the new Phillips HDMI 2.1 sync box, but it was $389 for just the box and the lights aren't included and cost another $250-300, a bit pricey for what it is. So after some searching around and watching comparison videos on YouTube I settled on these fancyleds sync light/box combo. I only use an nvidia shield so I got the 1in/1out box that came with lights for $259. Unlike Phillips hue where you buy the lights and sync box separately AND on top of that needing the bridge, this set comes with everything you need for a very reasonable price. Now on to performance, it seems quicker to adapt to the colors on screen and the colors it adapts seems more true to what's on screen. The lights are brighter and more dense than my previous hue lights, and they are long enough to go across the bottom of the TV, not something the hue lights do. During high speed action scenes there's zero lag between what's on screen and the sync lights. The first photo is from an anime called fate stay, I haven't actually watched it but it came up when searching "best hype and aura moments in anime", it's the fight between saber alter vs rider and is a great video to demonstrate sync lights as it's high quality, fast paced, and flashy giving the sync box and lights a real work out. Installation was simple, stick the lights on to the TV, connect everything through the sync box, and then download the app. I haven't dug into the app yet and it still functions perfectly so you can decide on how involved you want to be with the whole set up. Even if I can't comment on how it matches up with the govee sync box I can honestly say fancyleds blows hue out of the water, no contest.
M**A
Best in the game no camera's
absolutely love my Fancyleds 2.1 Sync Box. It has completely transformed my living room into an immersive home theater. The way the LED backlighting syncs perfectly with whatever is on the screen truly makes watching TV come to life. The colors are vibrant, the responsiveness is instantaneous, and the HDMI 2.1 support ensures that I get the best possible picture quality without any lag. I highly recommend this to anyone looking to upgrade their entertainment setup!
C**A
Really awesome
These are awesome, really adds an immersive lighting experience when watching tv! Highly recommend, colors are super accurate and much better than the Govee brand leds
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.
R**6
Great product really makes movies at home very enjoyable.
This is a quality product so much better than Govee sync box 2.1, the only downside is the lackluster app.
J**N
Be aware that this product may not work with In-App TVs.
Fancyleds sync boxes do not work with internal smart TV apps because the box requires a physical HDMI video signal input to capture and match colors. Built-in TV apps output video internally rather than passing an external HDMI stream out to the sync box.How to Fix ItUse an external streaming device: Plug a device like an Apple TV, Fire Stick, Roku, or Nvidia Shield directly into the Fancyleds sync box HDMI input.Route game consoles through the box: Connect your PS5 or Xbox straight to the sync box instead of plugging it directly into the TV.Check cable setup: Ensure the HDMI cable goes from your playback device into the sync box input, and a separate HDMI cable goes from the sync box output to the TV.
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 😝
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.
K**K
Fancy lights
Thank you . Love these lights
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.
A**A
📺 Fun ambient lighting with smooth 4K120hz passthrough
📺 Smooth 4K120 passthrough with fun ambient lighting The Fancy LEDs HDMI 2.1 sync box works well with my setup and handles 4K 120Hz without issues. The lighting reacts quickly and adds a nice boost to movies and games. ✅ Pros: Genuine 4K 120Hz passthrough with HDR support Lighting reacts fast and matches the screen accurately Setup is straightforward with clear instructions Works well for both movies and gaming Good brightness on the included LED strip ❌ Cons: App can be a little slow to connect at times LED strip adhesive could be stronger Best results come in darker rooms, not as effective in full daylight
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.
Trustpilot
2 months ago
2 days ago