It’s been a rough few years for the movie business. With tentpoles tanking at the box office, studios engaged in social media wars with their fans, streaming churn, and piracy back from the grave, it can be challenging for us to get clients excited about a high-end home theater or media lounge. Fortunately, we’ve been given a reprieve in the form of live sports in 4K HDR with Dolby Vision and Dolby Atmos. Let’s take a look at some key points that will get you and your clients in the game!
Is It 4K or “Faux 4K”?
The obvious selling point of 4K sports is that it’s 4K, but not so fast! In reality, most “4K” live sports content in the U.S. is actually produced in 1080p HDR and upscaled to 4K for delivery. While this might seem a little bit like a bait-and-switch, 1080p HDR production is a significant step up from 720p and 1080i, and the upscaling is done very well at the professional level. Even eagle-eyed videophiles are occasionally fooled into thinking it is native 4K.
Bitrate Wins
The key to wowing your clients with a 4K HDR picture — especially on very large screens — is high bitrate, where a surprising leader has re-emerged. For Paris 2024, Xfinity introduced Enhanced 4K, which delivers 4K HDR with Dolby Vision and Dolby Atmos at an impressive 30 Mbps for video and 768 kbps for audio. By contrast, 4K HDR from streaming providers is typically in the 12 Mbps range, while vMVPDs (virtual Multichannel Video Programming Distributors) average around 20 Mbps. Modern codecs can work miracles at lower bitrates, and streams like Peacock’s 4K HDR with Dolby Atmos simulcast of NBC’s Sunday Night Football look impressive at 12 Mbps, but the improvement 30 Mbps brings to the table is undeniable.
At the time of this writing, Spectrum has just rolled out 4K HDR on their apps for Apple TV 4K and Roku. We haven’t been able to compare their service to Xfinity Enhanced 4K, but we’re hopeful Spectrum’s move signals that other MVPDs will step to the plate and bring this level of service to their customers. Stay tuned!
A Word About Hardware
In 2026, it’s not popular to think about leasing hardware from the “cable company,” but Xfinity has a hidden gem in its X1 wireless TV box, the Xi6. It provides a fluid user experience between linear channels and streaming apps, and serves as a convenient hub for Enhanced 4K content that…well, it just works. In a world of highly fragmented content, where finding, subscribing, setting up, and authenticating the right device, app, and service provider can discourage a person from watching anything at all, the seamlessly integrated experience of the Xi6 is like a return to sanity.
The Xi6 isn’t perfect — there are some apps, like Prime Video, that don’t support the full array of picture and sound formats — but for Xfinity Enhanced 4K and Peacock, which is currently the streaming leader in 1080p HDR, 4K HDR, and Dolby Atmos live sports, the Xi6 is a home run.
Also by Anthony Grimani: Managing Great Expectations
There are other solutions for folks who want the Enhanced 4K service but not the Xi6 hardware. The latest Fire TV (codenamed “Karat”), Roku (model 3830), and Apple TV 4K (G3) do a commendable job supporting Enhanced 4K via the Xfinity Stream app, but there are some drawbacks. The Fire TV is limited to 5.1.2 audio (more on that later); the Apple TV only offers 2.0; the Roku doesn’t support Dolby Vision. (Xfinity uses Dolby Vision Profile 8.1, with fallback to HDR10, for systems that don’t support Dolby Vision.) Also, at present, only Fox and NBC 4K content is available on Xfinity Stream; ESPN 4K content is exclusively on X1 TV boxes like the Xi6 through the 4K Hub.
Immersive Rising
Dolby Atmos is still a rookie when it comes to live sports, and there are definitely some first-game jitters. Device and provider support remains sporadic; where it does exist, there is a problem. Many streaming devices, including the popular Apple TV 4K, Fire TV, and Google TV Streamer 4K platforms, decode Dolby Atmos and pass it to the surround processor using a Dolby MAT bridge. This hamstrings the full rendering potential of Dolby Atmos, as some of these devices are limited to 5.1.2 and 5.1.4 Channel Based Immersive. Even the Apple TV 4K has technical drawbacks that make it less desirable on the audio side. As such, we only recommend devices with Dolby Atmos passthrough, which include the NVIDIA Shield TV (possibly other Android TV devices), Roku, and the Xfinity Xi6. Xfinity does this through an “Expert” mode selection in the audio menu; we think this would be an excellent option for Amazon, Google, and Apple to implement.
What’s on in 4K?
The tech may be great, but what’s going to sell your clients is content. Fortunately, they can enjoy an increasing number of events in 4K HDR, such as regular season NCAA football and men’s basketball games, NFL Thanksgiving Day and playoff games, NASCAR, and MLB playoffs from Fox (including Fox One and the Fox Sports app). NBC chips in with NCAA football, Premier League soccer, Ryder Cup golf, and (expected but not yet officially announced) Super Bowl LX. ESPN provides a key NCAA football matchup each week, plus select College Football Playoff games, including the National Championship. Peacock also has select NFL and NCAA events in 4K HDR, with an even larger lineup of 1080p HDR events.
Dolby Atmos is available on a more limited basis. HBO Max provides live sports in 1080p Dolby Vision with Dolby Atmos, but at least some of their productions are 1080i for linear networks, with de-interlacing and the addition of Dolby Vision occurring later.
There are also regional sports networks providing local live sports content in native 4K, which is sometimes picked up by select MVPDs. This is worth investigating for your area.
Also by Anthony Grimani: Better Than Guessing
Just prior to Milano Cortina 2026 and Super Bowl LX, Xfinity announced that it would be marketing its 4K service under the name RealTime4K instead of Enhanced 4K in order to highlight even lower latency made possible by upgrades to its system. The 4K Dolby Vision picture and Dolby Atmos sound formats remain the same as Enhanced 4K. Low latency is vital to the enjoyment of live sports — an errant text message, social media post, or push notification can spoil a pivotal moment in the action. While the high-bitrate picture and sound provided by RealTime4K can be enjoyed from select Xfinity X1 TV boxes and third-party streaming devices via the Xfinity Stream app, Xfinity hardware is required for the lowest latency configuration. As an added bonus, Xfinity now offers Cloud DVR functionality for Enhanced 4K, so you can sleep now and watch later!
Bringing Everyone Together Again
For years, we’ve talked up the social aspect of a home theater as a selling point for clients. We can’t be certain such gatherings actually materialized, but the same can’t be said for live sports. Thanksgiving Day football? Bowl games at New Year’s parties? Super Bowl parties? We need to support positive socialization these days anyway we can, and if people unite around a big game, we should be there to support them with the best AV technology available. How is everyone going to decide who hosts the party? Well, we think that immersive audio and a giant screen showing the game in high bitrate 4K Dolby Vision with Dolby Atmos is just the answer they need!
Anthony Grimani contributed to this column. He is the co-founder of Grimani Systems Loudspeakers and president of PMI Engineering and MSR Acoustics.
