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The SiliconDust HDHomeRun Flex Duo HDFX-2US is a dual ATSC 1.0 network tuner that streams live over-the-air HD TV to multiple devices simultaneously. It supports whole-home DVR functionality via USB hard drive without subscription fees and is compatible with a wide range of platforms including Android, iOS, Roku, FireTV, AppleTV, Xbox, Windows, and Mac. Its Ethernet connectivity ensures stable multi-room streaming, while the intuitive web interface provides real-time signal diagnostics for optimal antenna setup.








| ASIN | B092KM482V |
| AntennaDescription | Television |
| Best Sellers Rank | #14 in External TV Tuners |
| Brand | SiliconDust |
| Built-In Media | HDFX-2US, network cable, power adapter |
| Color | black |
| Compatible Devices | Android, FireTV, AppleTV, Roku, Sony, XBox, iPhone, iPad, Win10/11, Mac |
| Connectivity Technology | Ethernet |
| Connector Type | RJ45 |
| Customer Reviews | 4.2 4.2 out of 5 stars (944) |
| Includes Remote | No |
| Item Dimensions L x W x H | 7"L x 5"W x 2.2"H |
| Manufacturer | Silicondust USA Inc |
| Mfr Part Number | HDFX-2US |
| Model Number | HDFX-2US |
| Tuner Type | ATSC |
| UPC | 850028206003 850028206058 |
| Warranty Description | 2 year warranty |
S**.
Great for whole-home network use!!
Works great with the native iOS and Roku apps, but you will get crashes on both of them when viewing channels where actual RF signal strength or noise is an issue... That being said, it's a great and easy to use device that so far has operated flawlessly when RF signal has not been an underlying issue. I presently use the HDHomeRun tuner device to provide OTA HD streaming to devices and televisions on my home network. The device is located out in my unconditioned barn where the outside roof mounted antenna has a strong signal for all the major network stations I need (mainly for sports). It's connected via underground fiber back in to the home network. (During testing, I actually powered it via PoE with an external adapter while searching for the best location across my property, and it operated without issue by that means as well...) Originally, I did have the same Roku app crash issues mentioned in other reviews, but I was able specifically chase that back to one VHF channel (12.1 at 189.029mhz) with a very high S/N ratio (likely from my outside POE cameras) that would ultimately cause the data stream to be interrupted and crash the native Roku app, but only in that scenario on weak channels. Pointing your web browser to the device provides an intuitive simple interface for configuration and setup. This made signal troubleshooting a breeze by showing strength and s/n readings live for whatever given channel each tuner was parked on. (Handy to look at on your phone while you're making fine antenna adjustments on the rooftop). You can directly access streams via url (for example from VLC) over the network, which will automatically assign an available tuner to whatever channel you're attempting to access. In the end, my production setup has the HDHomeRun fed into TVHeadEnd server that pipes it to Jellyfin (all on the same Linux machine) so OTA TV is available everywhere it's needed. The key here in this setup solves the marginal channel issue for me-- TVHeadEnd service gracefully handles any weak signal issues or interruptions (weather, lightning) before they ever get passed down the line so the video stream never actually crashes. Again, it's my work-around and unique situation that I had fun making work... All that being said, just buy it- you'll be glad you did!
R**O
Excellent OTA solution to cut the cord and take control of your local channel viewing
Works well. Using it with the PLEX DVR, so can't speak to the attached drive or Channels DVR options, but it is doing the job. The DVR records the shows to my NAS. I have been happy that setting up the recording has been easier than I expected. For example you can set up to record just one show like a soccer game, or all similar soccer games. Setup was easy, I connected it to my router and to the antenna. It picked up a bunch of channels, but it is definitely more selective than my LG TV's tuner. Now that I have it working well, I am thinking that having more tuners would have been useful.
S**H
More channels than I expected.
We cut the cord a long time ago and we stopped watching anything broadcast because, without cable, we didn't have access to DVR things. Without a DVR, we would have to slog through commercials, and we'd become accustomed to binging things without pause. We honestly didn't miss anything and it was almost like our lives became lighter once we weren't tied to some antiquated idea of "primetime network TV". There were a few good shows that we wanted to watch, but they were usually on Hulu, so it wasn't a big deal. Then, once the networks started feeling the pressure, they started to shun Hulu more and more until there were some shows that you couldn't watch unless you subscribed to one of the big 3 networks overpriced streaming services that were a vain attempt to maintain the old order. Thanks to Amazon Prime, Netflix, and Hulu -- we figured good riddance to networks. But there were still a few shows that we wanted to watch that we knew were broadcast, but we still weren't going to watch them with commercials. Not because the idea of commercials is awful, but because of the time involved. Without commercials, a half-hour show drops to 20 minutes. And you can watch an hour-long show in about 40 minutes. Your don't spend your time watching commercials for things you're never going to buy because of the shotgun approach to advertising that is still pervasive. This little device solves those problems. First, there are 2 tuners on this, so you can record 2 channels at the same time (or watch one while the other is recording). To be clear, this doesn't include a DVR, but if you have a network attached storage device (NAS) for your network, then you can hook this up and have the equivalent of a DVR. There are a few downsides, but mostly trivial to figure out how to "fix". One is that it's not easy to know the time when something will be aired without the old cable-box "schedule" menu. This device has a subscription that you can get for a really low yearly price -- or you can get the same thing for free with a little research and creativity. This model only has 2 tuners, but there are others by the same company that have 4 tuners and ones that have built-in hard-drives that will actually function as a bona fide DVR for OTA broadcasts. The main thing you'll need to get in addition to this box is an antenna. There are lots out there and some are better than others so it pays to do a little research. The other thing you'll need is a working internet connection so that you can get the program guides in order to know when "your show" is going to be aired. By itself, this isn't going to impress anyone because it doesn't do anything that a regular TV can't do. This is basically a special purpose device which you need to combine with other devices to get the full potential. I was really surprised by the sheer number of channels that are still being broadcast. I guess that the great cord-cutting exodus left a void that was filled by very cheap distribution by over-the-air. Most of it is still hot-garbage as it always has been. Infomercials, really bad local access shows made by nearby universities. Tons and tons of local annoying commercials, bad network news shows that seem to somehow still be hanging on with whatever life-support is still keeping them viable. The coolest part that we discovered is . . . wait for it . . . Reruns! About a third of the 45 or so channels that we can receive all contain tons and tons of reruns -- with lots and lots of commercials to be sure, but the reruns are from things that you won't easily find on the streaming services. Like the original Twilight Zone comes on two or three episodes back to back every day. You can probably find it to purchase as a whole series, but it's hard to justify purchasing that when you have so many other shows that you could buy. DVD's are pretty much dying out, too. This is quite a bargain for what it is and for what you get. It's very inexpensive compared to buying a whole TV and with 2 tuners. If you're here looking at this item, then chances are you know what you're looking for already, but if you're just browsing and see this, make sure you know what it is before you buy it. It's not magical by itself, and it isn't going to solve a problem if you're not looking for a solution already. What this does is allow you to expand your current "range" of available options that currently exist and do it without adding yet another paid streaming service to your budget. If you are also here intentionally looking for this kind of device, I'll give you a few answers to the questions you might have. It's one of the best ones that I've found for the price and performance. It works well as a tuner and their paid service works well if you don't want the hassle of DIY for the program guide. Removing the commercials from the "taped" shows works very well with the shows I've tried so far so that even removes the need to fast-forward through commercials. It's fast enough and works great for recording 2 shows at once -- no glitches. I can only confirm that it works well with Synology NAS. I have the 220+ model and it's more than enough. Depending on your goal, this model might not be enough. This is the lowest end in the bunch -- and it's even being replaced soon with a more powerful version. But for the price, this is the best and most compatible one that I've found. I'm sure there are better, but not many that could hit this price point. This has been a great addition to our home-entertainment infrastructure, if you will. If you don't want to spend a ton on the over-the-air part of your entertainment flow, then this is for you. Broadcast TV is still a vast wasteland of raw sewage, but every now and then something worthwhile can be found drifting along that pays off. Overall, highly recommend this and other devices by this brand. It's easy to use, it's very small, and runs surprisingly cool for a device with this much packed in. Five stars.
Á**L
A nadie le gusta pagar suscripciónes, y en este momento de la vida, en el gran año 2025, todo el mundo quiere cobrarte dinero: Disney, Netflix, Televisa, TV Azteca; todos. Pero la realidad es que pocas suscripciones valen la pena. ¿La televisión privada? 100% no lo vale. Algunos te dicen que 4K, otros que HD, otros que todos los canales del mundo. La realidad es que, pagar de más por un producto completamente inferior (hablando específicamente de los que ofrecen 4K) a lo que encontramos gratis con una antena en el techo, es un robo. Entra el HDHomeRun. Lo que unos te ofrecen via IPTV a 720p30 con sonido 2.0, recíbelo a través de tu antena aérea a 1080i60 5.1, no sólo en tu tele, en cualquier dispositivo compatible con la aplicación (Lo probé en smartphones, tabletas, laptops, y Smart TVs), y notarás, no sólo mejor resolución, sino mejor calidad de imagen. Un producto que definitivamente no es para todos, pero si como yo, eres de los que se interesan en recibir la mejor calidad de imagen y audio de la televisión abierta, no puedes dejar pasar la oportunidad de adquirir este sintonizador,
A**R
So far, we are quite pleased with this unit. We've had it working for about a month now. The HDHomeRun unit sits beside our wife router, and is attached to an antenna in the attic. I have a portable USB HDD hard drive attached to the unit by a short USB cable. I thought 500 GB would be plenty, but we go through it pretty quickly over the course of a couple of weeks. It keeps me disciplined to delete stuff we won't go back to, but if I was doing it again, I would get a 1 TB drive. We purchased the annual guide subscription ($35 US) - totally worth it to see what is coming up over the next few weeks and to record what we want. The HDHomeRun app is loaded on each Fire Stick for each TV in the house and on my computer, so live and recorded TV is available to all TVs and computers, and recordings can be managed from any device. It works perfectly - does everything we were hoping for. Our only complaint is that the home screen navigation is a bit clumsy - especially getting between the channel bar and the menu bar with our Fire Stick remote - and the bottom menu is tiny. We got used to it quickly enough and its not a big deal. Overall, it's a great little unit that gets free network TV and let's us skip through commercials on recorded programs. Highly recommend.
M**Z
Gerät ist nicht für das Deutsche Kabelnetz.
L**D
Very easy to setup and use with PLEX server and PLEX Pass, when used with my amplified outdoor antenna signals are strong. As expected, the picture quality is excellent. I can't comment on the HomeRun software as I haven't used it, and don't expect to. The device is tiny, and easy to tuck out of the way. I could add a second unit to get me to a total of 4 tuners, PLEX PASS apparently supports multiple tuners. I live in the Edmonton viewing area, where there are 4 "traditional" network stations (CTV, CBC, Global, and CityTV) plus French CBC, OMNI (multicultural, multilanguage), and YES-TV (Religious) which I don't use. It is surprising how often I would like to use more than 2 tuners at a time, it's probably a weekly occurrence. So consider whether you should order the 4 tuner version of this device. I have been using this 2-tuner device for a bit over 5 months, it has been 100% reliable.
H**M
Es un equipo muy confiable y facil de instalar, ademas es muy rapido, tanto en el escaneo de canales como para cambiarlos. Muy estable en su funcionamiento, tiene mas de dos semanas prendido y no ha tenido alguna falla (esta conectado directamente al router). El unico "pero" es que la guia de TV esta mezclada con canales de USA y de Mexico, por ejemplo: El canal Azteca 1 esta bien y aparece su programacion de un dia, pero el canal de Las Estrellas aparece como si fuera uicanal de USA (CW). Funciona perfectamente con AndroidTV y la aplicacion "live channels", y en conjunto con TVheadend puedo tener un DVR. Habia adquirido AirTV, pero fue imposible hacerlo funcionar en Mexico (solo con VPN), pero este Flex_Duo es muy facil de configurar, una excelente compra.
Trustpilot
3 weeks ago
2 months ago