For most people, choosing a high-end soundbar is a quest for acoustic perfection—the deepest bass, the widest soundstage, and the most immersive Atmos effects. But for those of us who spend our evenings toggling between a high-performance gaming PC and a PlayStation 5, the most valuable feature isn’t actually about the sound. It is about the cables.
As a former software engineer, I have a natural aversion to unnecessary friction in a workflow. In a home theater setup, that friction usually manifests as the “cable dance”—the tedious process of unplugging an HDMI cord from a TV port and swapping it for another every time you switch from a productivity workstation to a console. It is a tiny annoyance that becomes a significant deterrent to actually using your hardware.
This is why the connectivity suite on Samsung flagship soundbars for gaming, specifically the HW-Q990 series, has become the standout feature of my current setup. Whereas the audio quality is world-class, the real victory is the inclusion of dual HDMI 2.1 input ports that allow multiple high-bandwidth devices to stay connected simultaneously without compromising performance.
Solving the HDMI Bottleneck
The technical hurdle for most soundbars is “passthrough.” To get audio from a console to a soundbar and then video from the soundbar to the TV, the hardware must support the same bandwidth as the source. If a soundbar only supports HDMI 2.0, plugging a PS5 into it can effectively “throttle” the console, stripping away the high-refresh-rate capabilities the hardware is designed for.
Samsung addressed this starting with the Q990D, upgrading its input ports to HDMI 2.1. This allows for 4K 120Hz passthrough, which is the gold standard for modern gaming. By supporting Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM), the soundbar ensures that the signal remains fluid and responsive, eliminating the screen tearing and input lag that can plague less sophisticated audio hubs.
This architecture is particularly critical for users who do not own a Samsung-branded television. Many high-end displays from brands like TCL often provide only two HDMI 2.1 ports. When one of those is dedicated to the soundbar via eARC (Enhanced Audio Return Channel), the user is left with a single remaining high-speed port. By utilizing the two HDMI 2.1 inputs on the soundbar itself, the soundbar essentially acts as a high-performance switch, freeing up the TV’s ports and simplifying the entire signal chain.
A Comparison of Connectivity
When you seem at the competitive landscape, the generosity of Samsung’s port selection becomes more apparent. In the premium audio market, there is a recurring trend of reducing inputs to encourage a more “minimalist” (and often more expensive) ecosystem.
| Model | HDMI Inputs | HDMI 2.1 Support | Included Components |
|---|---|---|---|
| Samsung HW-Q990D/F | 2 | Yes (4K/120Hz) | Subwoofer & Rear Speakers |
| Sony Bravia Theater Bar 9 | 1 | Limited/Varies | Soundbar Only |
| Sonos Arc Ultra | 0 | N/A (eARC only) | Soundbar Only |
The disparity is stark. Sony’s Bravia Theater Bar 9 provides only a single HDMI input. The Sonos Arc Ultra offers no HDMI inputs at all, relying entirely on the TV’s eARC port to receive audio. For a user with three or four high-bandwidth devices, the Sonos approach necessitates a separate HDMI switcher or constant cable swapping.
there is a significant difference in the “out-of-the-box” value. While Samsung includes the subwoofer and rear satellite speakers in the flagship bundle, competitors like Sony and Sonos often treat these as optional, separate purchases. When the total cost of ownership is calculated, the Samsung system often provides more hardware and better connectivity for a similar or lower price point.
Why Port Density Matters for the Modern User
From an engineering perspective, the value of these ports isn’t just about convenience—it’s about maintaining the integrity of the data stream. Every time a cable is unplugged and replugged, there is a marginal risk of wear on the port or the connector. More importantly, using a cheap third-party HDMI switch to solve the port shortage can introduce signal degradation or compatibility issues with HDCP (High-bandwidth Digital Content Protection), leading to the dreaded “black screen” during a game launch.
By integrating high-spec HDMI 2.1 ports directly into the soundbar, Samsung removes the need for intermediary hardware. This creates a cleaner physical setup and a more stable electronic path from the GPU to the display. For the gamer, Which means the system “just works,” regardless of whether they are switching from a competitive FPS on PC to a cinematic adventure on console.
While Samsung is often viewed as a brand that prioritizes scale and feature-density over boutique exclusivity, this specific approach to connectivity is a pragmatic win for the consumer. It acknowledges that the living room is no longer just for movies, but is a multi-functional hub for various high-performance computing devices.
As HDMI standards continue to evolve, the next major checkpoint will be the widespread adoption of HDMI 2.1a and beyond, which may further refine how eARC and passthrough handle dynamic HDR formats. Users looking to upgrade their home theater should keep a close eye on upcoming manufacturer specifications regarding bandwidth ceilings and port counts to ensure their audio hardware doesn’t become the bottleneck of their system.
Do you prioritize connectivity or pure acoustic specs when shopping for a soundbar? Share your setup challenges and thoughts in the comments below.
