The AVR: Denon X3400H

The choice of AVRs used to be a difficult one to make when support for different HD audio formats was not widespread. Now, the requirements boil down to the AVR being able to support the latest HD audio formats (Dolby Atmos and DTS-X), while matching the capabilities of the display in the chain. The additional features may help sway the purchase decision for consumers.

Budget considerations dictate the number of channels and display zones. We had to migrate from the 7.1 channel Pioneer Elite VSX-32 to a newer receiver capable of handling multiple HDMI 2.0 / HDCP 2.2 inputs with passthrough capabilities for various HDR formats. Based on my budget, I narrowed down the options to one of the models from Denon, Onkyo, Pioneer, and Yamaha. They are all in the same ball park in terms of pricing for a given feature set. We deferred to our friends at Wirecutter, who recommended the Denon AVR S730H.

I had been in touch with Denon regarding HEOS (their whole home audio solution) when the decision to go with a Denon AVR for our HTPC testing setup was taken. Upon discussing our project with them, Denon graciously agreed to sponsor the more advanced AVR X3400H for use in our testing.

The AVR X3400H targets the custom integrator channel. It has a number of additional features such as support for high end DSD audio, 4Kp60 upconversion for analog sources, multi-zone video outputs, higher power output, and support for eARC (Enhanced Audio Return Channel) to justify its higher price over the S730H. The presence of eARC makes it a bit more future-proof, as it allows for HD audio (including the new ones like Dolby Atmos and DTS-X) from the display sink to be returned to the AVR for decode and playback.

In the course of our testing, we found that the AVR received frequent firmware updates to add new features such as HLG passthrough. These point to a well-supported product. Even though the web control feature present in the previous generation Denon AVRs was missed, the Denon AVR Android app made up for it to some extent. None of the issues encountered in the course of the evaluation presented in this piece could be attributed to the Denon AVR X3400H.

If we had to give some suggestions to Denon for the improvement of the AVR X3400H, it would be to bring back the web control feature and shorten the time taken for firmware updates (though there is a facility to enable auto-updates that tries to install the new firmware when the AVR is not being used).

Speakers

Most readers upgrading their HTPC can opt to retain their existing speakers. In fact, I had the Boston Acoustics Horizon Series MCS100MDNT 5.1-channel speaker system from a 2008 purchase, along with a Jamo A306 HCS 5.1 speaker system from my 2011 home theater components upgrade. However, due to the remodel, I had to go in for in-ceiling speakers. I opted for a couple of the Polk Audio RC80i in-ceiling pairs for the rear and surround channel speakers. I bundled them along with ceiling speaker protective covers. The choice of speakers depends on the home theater size and other requirements. Currently, I am using the Jamo A306 speakers for the front, center, and subwoofer, with the Polk Audio RC80i for the other channels.

The Display: TCL 55P607 Evaluating Display Sources: HTPCs & CE Devices
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  • Lord of the Bored - Wednesday, December 27, 2017 - link

    He didn't use a DVD player. He used a BluRay player. Completely different.
    And until streaming gets better bitrates it is an incomplete replacement from a purely technical standpoint. I mean, when regular BR supplies 50 megabits per second, UHD BR is a hundred mbps, and UHD Netflix is 25 mbps, there is OBVIOUSLY a quality sacrifice that has to be made(though the UHD situation is better than HD, where Netflix is a ridiculously compact FIVE mbps. I'll take a quarter the data over a tenth any day).

    I mean, if you don't care about image and sound quality, you may as well watch VHS tapes off that old CRT you found in gramma's garage. I always thought home theater builds were about getting the best experience, not a really expensive mediocre experience.
  • CharonPDX - Wednesday, December 27, 2017 - link

    "without worrying about it getting obsolete within the the next 3 to 5 years."

    JFC... A home theater system should last far longer than 3-5 years...
  • Bullwinkle-J-Moose - Thursday, December 28, 2017 - link

    "JFC... A home theater system should last far longer than 3-5 years..."
    ---------------------------------------------------------------------------------------------
    Not with DRM!
    A mans gotta know his limitations (Clint Eastwood)
  • pixelstuff - Wednesday, December 27, 2017 - link

    I wish the manufacturers would create a decent set of components (AVR, Blu-ray, etc) that are not more than 8" deep so you can sit them below a wall mounted TV and they don't protrude way out into the room compared to the TV.

    Wiring would have to be on the sides with a standardized way to hide them, but I don't think extra width would be a big issue when placed under a large TV.
  • Dionysos1234 - Wednesday, December 27, 2017 - link

    Recommending a Denon 999$ reciever is not only NON budget - It is also an extremely poor choice for reciever in that price range from an audio perspective. Guess HTPC is not an area where Anandtech have qualified people e.g. the amount of time devoted to showing poorly made graps on power consumption seems bizarre.
  • Aikouka - Wednesday, December 27, 2017 - link

    As for all the remarks about the receiver, my biggest piece of advice is to always buy last year's model UNLESS you absolutely need a feature only on the newest model. For example, I bought an X4300 for less than the article's X3400, and there really aren't any differences that would make me consider swapping.
  • Aikouka - Wednesday, December 27, 2017 - link

    As a quick note for the uninitiated, Denon's model numbers work where the thousands place is the model number and the hundreds place is the year. So, the 4300 that I mention above is the 4th-tier model (higher is better) from the third year. The 3400 is the third-tier model from the fourth year. So, mine is a higher model, but it's a year older. To see whether it's worth an upgrade, the AVS Forum's Denon Owner's Threads usually have comparisons to previous years (e.g. X#400 vs. X#300) that can help you decide whether the latest is worth it.
  • r3loaded - Wednesday, December 27, 2017 - link

    All I'm getting from this article is that HDR is a mess of confusing and incompatible standards and support, compounded by Hollywood's almost autistic fixation with ramming DRM down the throats of anyone wanting to watch 4K HDR content, and the very specific hardware requirements that it imposes on consumers.

    Also, why is it that there are tons of HDR TVs on the market but barely any HDR monitors? And conversely, why does no one make a 4K HDR TV smaller than 40 inches (say, 32 inches)? Not all of us are blessed with big houses that can fit the 55 inch TV mentioned in the review.
  • benedict - Wednesday, December 27, 2017 - link

    Yep, sounds like too much trouble for what you're getting and you always risk some weird standard won't work on your expensive setup. Until they make this as simple as torrenting a movie the home theater market will remain a very tiny niche.
  • CityBlue - Wednesday, December 27, 2017 - link

    The BDA is expected to announce that the free to licence HDR10+ open standard is being added to the UHD BluRay standard in January at CES, and not the proprietary Dolby Vision. After that announcement I imagine DV will become a niche format. HDR10+ is simply what HDR10 should always have been.

    HDR10+ (compared with DV) also has a dramatically easier workflow as far as creative's are concerned, so combine that with the reduced licencing cost for manufacturers and there's very little reason to choose DV - the only winner there is Dolby.

    It's not yet announced, but recommending DV over HDR10+ may not be such good advice.

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