4K 60Hz HDMI Audio Extractor Converter SPDIF + 3.5MM Output Supports HDMI 2.0, HDCP 2.2, 1080P@120Hz, 1080P@144Hz, Dolby Digital/DTS Passthrough CEC, HDR10 by J-Tech Digital [JTD18G-H5CH]

Update 2: Okay, so this review chronicles my learning what this thing/EDID actually does 🤦‍♂️ There’s no “downmix” happening in this machine - It simply extracts the audio and either tells the source what it requires or doesn’t. Judging simply on this functionality, I’m increasing my rating to five stars. It’s solid, inexpensive, and does its job with no harm to the data that I can tell. I think their “literature” could be clearer (for beginners anyway), but hey. The tradeoff with this component is though I avoid resampling by my television, I now rely on my Roku Ultra for PCM. Here’s the thing…There’s something about how Roku handles 5.1 that (at least for me) it assigns music to the right channel. The clearest example I have of this is the title-sequence of “Welcome To Derry” (via Max). However, if I stream it on Plex (which is already mixed down to stereo), the title music is perfectly centered to “the stage.” So I’m now shopping for a streamer upgrade, but I digress. My point is, in my experience, using this extractor puts more responsibility on your source. I don’t think that applies to everyone, but keep it in mind ✌️ Update 1: I’ve been experimenting, and came back to say… 1) I don't hear a strong difference, but I recommend setting the Roku Ultra to stereo and the J-Tech [JT] to passthrough/TV (photo taken with Roku in passthrough and JT in 2CH). 2) WiiM Pro currently can’t read DTS etc, so leaving both preceding components in passthrough got me no sound (but oddly displayed 24/192 on my DAC… weird) 3) I’d like to clarify the JT doesn’t change the Roku menu by default - It depends what order you adjust the EDID. All in all, decent product, but not sure it isn’t overkill in my scenario. Good build, no harm to video or audio, easy to use, and kind customer service that patiently answered my questions. 7/24/24 Original Review: Well, I’m glad I at least got the TV out of the audio path, but let’s rewind… I had made such strides with my system’s music handling, I wanted to bring the TV experience up to speed. That’s not to say the sound quality bad or that I was having connectivity issues, but I was aware (or at least under the impression) that the TV was resampling the audio output. I was also tired of 5.1 streams (which, up until fairly recently was standard) burying dialogue in my 2.1 system. For example, being able to hear a difference between surround and stereo settings on Netflix, I assumed the mix-down was likely happening in the TV and was as mediocre as its analog conversion. That said, I was unaware of (and would eventually learn) four important things: 1) The Roku Ultra’s audio can be set to “Uncompressed Stereo” (I am still kicking myself for not checking the source first). 2) Setting the Roku to Stereo changes your menu options *in the streaming services*, and the presence of the Extractor changes the Roku menu i.e I cannot be certain the mix-down sounds any better outside the TV’s path 3) You are not going to find audio above 24/48 being streamed by major services like Netflix, Max, Hulu etc. If you want 24/192, you’re going to need BlueRay discs or RIP’s. 4) I believe the Roku is doing its own resampling to match the common 24/48 stream - Higher bitrates on a Plex server will not come through. So, I’m not sure I did much 😅 It seems almost everything I suspected of the TV was happening in the Roku (or is beyond my control to begin with). That said, I can tell you the device feels solid, it was easy to set up, and has not diminished the audible experience. I’ve had success upgrading power supplies (and the one provided seems a little “dinky”) but I see no point in experimenting with that given the circumstances. The manual seemed to be for an older model, and was the bare minimum of info, but I was able to find a slightly better version online. To give the full picture, the path is Roku Ultra > HDMI to Extractor > optical to a WiiM Pro > optical to DAC (Denafrips) > Preamp. The next move will likely/eventually be switching the source to a NVIDIA Shield TV Pro and see if that opens up the experience at all. I admittedly have only used the 2.0 setting up to this point, and need to try different “orientations” with the Roku. I’ll come back if I learn anything more ✌️

Works great for me as I wanted to split off audio for Bluetooth ear pods. Replaced old one that was lower speed

Update: Two months later (using it 24/7) and still working fine. I've only had it for 2 days so I can't comment on the longevity of it but it works exactly as it should. It's a solid little unit with some heft - I was worried it would be cheap/light plastic junk but it feels very solid. I'm using it on my laptop because the onboard audio (which I connect my speakers to via the 3.5mm headphone output) was very low quality and has no enhancements available in the sound options. My laptop has a decent quality GPU (RTX 2060 mobile) which also has a separate sound chip so I thought I would try using that instead. So this little dude sits between the laptop and my TV with the audio out going to my Vanatoo speakers. The sound is much better using the GPU audio so I'm very happy with the purchase. It also has optical output for audio but I haven't tried that yet. I'm sure it works fine. This is the perfect solution if you have a laptop GPU with audio and you prefer using that to your onboard (mobo) audio. Or if you want digital audio output as opposed to analogue (I have never seen a laptop with a digital audio output, though there may be a few out there).

Pros: Works at 4K and 60hz Optical and Audio Out both output at the same time. Cons: Surround Sound does not work on a LOT of devices. I bought this to get sound off an HDMI cable. My setup doesn't work with an audio output from the TV which is why a box like this would exist. It is to get sound off the HDMI cable before it enters the TV. The only device that worked with surround sound off of the optical cable that I tested was a PS4. When you go into the audio settings on the PS4 you can change the sound type to Dolby Digital and the optical output on the converter will actually output surround sound. On every other device I tested it only outputted stereo so only my front speakers were working. I have tested this on: 1) A high-end gaming PC with a 1080 TI graphics card. The 1080 TI can output audio off of the HDMI output. However the problem is that since this converter is an HDMI pass-through the sound output the computer sees is just the TV. It doesn't see the J-Tech device as an output which is probably the issue that every other device I tested also experienced. My computer saw my HDMI output to my LG TV as an output. Since the computer only sees the LG TV it knows the TV only has stereo speakers and so it forces my computer to only output with a stereo signal, so my rear speakers don't work. 2) Playstation 4 - This is the only device that worked because the PS4 has an audio setting where you can force the output audio type to Dolby Digital and it allows the optical output from the converter to send a true 5.1 surround sound signal through the J-Tech device. 2) Nintendo Switch - The audio settings on the Nintendo Switch lets you select Stereo or Surround Sound, but not specifically Dolby Digital or other types. So I could only get a stereo signal off of the converter. 3) Xbox One - Same issue as PC and Nintendo Switch. Can't output a 5.1 signal because it only sees the TV as a stereo setup. 4) Sony BluRay Player - Only outputs stereo Again the main problem is that most devices don't see the J-Tech box as an audio output. It passes the signal through to the TV so the TV is seen as only a stereo output. Even though I have a 5.1 Logitech Surround Sound system plugged into the optical output on the J-Tech converter most devices only see the TV as a stereo device so it only sends a stereo signal. I even switched the J-Tech device to the 5-Channel position and it still does the same thing. Unless you have a PS4 or only need a stereo sound signal this device will not work for you.

I have been converting my home from standard TV to 1080P high resolution. The video source is in the garage (Roku), where the satellite and network feeds come in. All TV's (five different locations in the house) get the same video in my situation. Because there are spare Cat5e cables and coax cables in the walls of the house, finding J-Tech's HDMI extender products was a godsend. I have used them for HDMI - over - Cat5e (Cat6 and Cat7 would work too but my house is older than that) and for HDMI - over - Coax. Both work flawlessly. One of my endpoints is a projector that blocked the HDMI's audio (projector's fault), so I tried the J-Tech audio splitter prior to the projector and again, that works flawlessly. Three J-Tech product types, one happy customer, extremely easy setup all around. Here's another thing though: I had a few technical questions. J-Tech's customer support was awesome - they answered all my questions completely, clearly, and in less than a day. Thank you Jewel! My one suggestion to J-Tech is to upgrade their product manual to address questions like mine (specifically: can you swap transmitters or receivers? yes. Can you drive multiple receivers from a single transmitter? no. How should I interpret the status LEDS on the receivers and transmitters? transmitter: red is good; receiver: green is good) And whatever else comes to their minds to make the user's life easier. I think some of J-Tech's devices can work with 4k video, although as an engineer I have always been dubious that 4k is much more than a marketing ploy compared to 1080p; the human eye is not that discerning except under closely and continuously monitored conditions.

PROS: ++ supports 1440p @120Hz video passthrough (to my knowledge there is no other HDMI splitter out there that will support this! Make sure you have a compatible HDMI cable. I was using 2CH mode.) ++ 192 kbit/s audio quality is great for games and media consumption. + Excellent stereo isolation in games. I can localize footsteps extremely well in Battlefield V much better than before. CONS: - no volume adjustment means games can be too loud or soft without an external amplifier/receiver REVIEW: I ordered this product in an effort to use my good open back headphones for audio out from the Xbox Series X being that they have effectively removed all other methods of extracting audio aside from HDMI. I already have a headset that connects to the Xbox, but I was looking for something that gives me much better audio quality and stereo isolation in games. This seems to be it! The thing that I love about this device is that allows for complete 1440p @120Hz video passthrough (albeit with the right cable) which is exactly what I was looking for since the audio extraction from my desktop monitor is absolute and utter trash in comparison to the sound that comes from this. HDR still works as well which is a plus. The sound quality is also more than good enough @192 kbit/s for immersion in whatever media you consume with no discernable clipping, latency or weird EQ'ing. The main thing that prevents me from giving this device a full 5 stars, and more like 4.5/5, is that there is no way to adjust the volume out to my knowledge. This makes some games and apps extremely loud when simply using low impedance headphones as the device's output. With extremely high impedance headphones, you'd probably have the opposite issue. While I understand you should probably route this to some kind of receiver or amplifier with volume adjustment, which I plan to do in the future, this is another thing you need to make sure you buy! However, this still works perfect for me as I can lower in game volume to a more tolerable level through in-game settings. If this had gain adjustment through some kind of built in amplifier, this product would be an absolute slam dunk (at least for my needs)!

I recently upgraded my PC monitor from 1920x1200 to 4K. I use an Amazon FireTV cube to view programs on the monitor, with an HDMI audio splitter to separate a digital audio signal in order to hear the audio on the programs. I had been using an Amazon Basics splitter but it only worked up to 1920x1080, fine for the old monitor but not for the new one. I found this J-Tech Digital splitter with the right specs and good reviews. Swapping the old splitter out, installing this new one immediately allowed me to view a 4K program from the FireTV cube. The audio for the program I viewed seemed to be in mono (L channel = R channel always) -- I assume that was the program not the splitter. I will update review if I find out different.

I purchased the J-Tech Digital 4K HDMI Audio Extractor with the hope of enhancing my audio setup for my home entertainment system. While the product offers some notable features, my experience with its performance has been a mix of highs and lows. The extractor's ability to support 4K 60HZ HDMI 2.0, along with a bandwidth of 18Gbps and HDCP 2.2, intrigued me as it promised high-quality audio and video output. The Dolby Digital and DTS Passthrough capabilities were particularly appealing, as I looked forward to an improved audio experience. The installation process was relatively straightforward, and the device's compact size made it easy to integrate into my setup. When the extractor worked as intended, the audio and video quality were impressive, providing clear and vibrant visuals along with enhanced sound quality. However, my experience was marred by inconsistent performance. There were instances where the extractor failed to pass through the audio signal correctly, resulting in audio dropouts or disruptions. These interruptions were frustrating, particularly during crucial moments in movies or TV shows. The CEC and HDR10 support added value to the device, but I encountered occasional issues with CEC functionality not working as expected. Additionally, the build quality of the device could be improved. The plastic casing felt somewhat flimsy, and the overall construction left me questioning its durability. The extractor's user manual could also benefit from clearer instructions and troubleshooting guidance to help users address any potential issues. In conclusion, the J-Tech Digital 4K HDMI Audio Extractor offers the potential for enhanced audio and video experiences, but its inconsistent performance and occasional audio disruptions are notable drawbacks. While it does deliver satisfactory results at times, the unreliability and occasional compatibility issues prevent me from giving it a higher rating. Three stars reflect my mixed experience with this product, and I hope that future iterations can address these performance concerns to offer a more consistent and dependable user experience.

Fonctionne super bien. Belle qualité d'image, belles couleurs et les contrastes.J'ai utilisé cette appareil avec une source HDMI/TV avec le son et l'image, mais mon récepteur/ampli vieux de 12 ans env. est avec le son et l'image séparé. Cette appareil a bien pris la réception du son et l'image pour envoyé le tout séparément dans mon récepteur/ampli.J'ai été conseillé d'utilisé un convertisseur/extracteur car mon cinéma maison est avec un projecteur sur écran.Car avant d'utiliser cette appareil je n'avais que l'image mais pas de son. Maintenant tout fonctionne à merveille.J'ai attendu 2 mois avant démettre mon commentaire car avec l' achat d'un autre fournisseur après 2 semaines d'utilisation tout a arrêté de fonctionner.Mais avec l'appareil de J-TECH DIGITAL tout va pour le mieux. Je recommande...

Plugged it all in and it worked right away. I wanted to split audio from my AppleTV to my older AV amp that only has optical inputs. Works well.

Works great with my Xbox Series X playing games at 4K 60Hz HDR and 5.1 speaker setup

I purchased this from Amazon UK and it arrived the next day. However I was very disappointed to find that the power adaptor was not fitted with the 3pin UK type wall plug. It had a US/Canadian fitting. This made it useless to me so I returned it. Such a shame as it seemed to suit my needs and I was looking forward to trying it.

Got this to connect my PS5 to my AV receiver that has an optical audio connection. It works great, easy to set up, compatible at 4K 60fps with HDR. Has a solid metallic build quality. Definitely worth it!