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Hisense A620 2.1ch vs Sennheiser Momentum Sport

Quick Verdict

The Hisense A620 2.1ch is the clear choice for budget buyers who want a compact soundbar with published specs. It offers a 2.1 channel setup, 240W total power, a built-in 75 by 160 mm subwoofer, HDMI ARC, Bluetooth 5.3, and DTS Virtual:X. Dolby Atmos works only through a compatible Hisense TV, so keep that in mind. The Sennheiser Momentum Sport, by contrast, has no published soundbar specifications. Its listing appears to describe earbud features, creating serious doubt about what you would actually receive. Unless you are willing to gamble and possibly return a mislabeled product, avoid the Sennheiser. For reliable TV audio on a budget, the Hisense A620 is the safer pick.

Sennheiser Momentum Sport

Sennheiser Momentum Sport

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Spec Hisense A620 2.1ch Sennheiser Momentum Sport
Channels 2.1 channel Not published in listing
Drivers Not published in listing beyond the 75 by 160 mm built-in subwoofer; no full-range driver sizes or counts given Not published in listing
Power 240W total as listed Not published in listing
Subwoofer Built-in 75 by 160 mm woofer behind transparent acrylic; no separate wireless subwoofer Not published in listing
Dolby Atmos and DTS Dolby Digital Plus and DTS Virtual:X; Dolby Atmos playback available only through Hisense TV mode using the TV decoding over HDMI ARC/eARC, not native decoding Not published in listing
HDMI eARC and inputs HDMI ARC, AUX, USB; eARC mentioned only in TV mode context, not confirmed as a dedicated input standard Not published in listing
Wireless and streaming Bluetooth 5.3; Roku TV Ready for HDMI control; no Wi-Fi, AirPlay, or Chromecast Not published in listing
Dimensions Not published in listing Not published in listing
Remote and app Not published in listing; EzPlay allows control via a Hisense TV remote Not published in listing
Included accessories Not published in listing Not published in listing

Sound Quality

The Hisense A620 2.1ch lists 240 watts of total power and a 2.1 channel configuration with a built-in subwoofer. The listing does not specify full-range driver sizes or counts, but it confirms the built-in subwoofer dimensions of 75 by 160 mm. This gives buyers a basic sense of expected output. The sound quality score of 23 out of 30 reflects these published specs.

The Sennheiser Momentum Sport has no published sound specifications at all. The listing does not state channel count, driver size, power output, or any audio technology. The sound quality score of 20 out of 30 is the only number, but it lacks any underlying data. The Sennheiser brand name suggests possible quality, yet the listing fails to confirm that for a soundbar.

Without verifiable specs, the Sennheiser cannot be compared fairly to the Hisense. The Hisense at least provides power and channel information, allowing a rough estimation of performance. The Sennheiser remains an unknown, making it a risky choice for buyers who care about sound quality. For any meaningful assessment, the Hisense is the only model with a published foundation.

Surround, Atmos and Audio Formats

The Hisense A620 2.1ch supports Dolby Digital Plus and DTS Virtual:X for virtual height and width effects. Dolby Atmos playback is available only through Hisense TV mode using the TV's decoding over HDMI ARC or eARC. The soundbar itself does not decode Atmos natively. This limits immersive audio to setups with a compatible Hisense television.

The Sennheiser Momentum Sport listing does not mention any surround or audio format support. No Dolby, DTS, or Atmos formats are listed. It is unknown whether the product can decode any multi-channel audio. The surround and audio formats score of 8 out of 15 likely reflects this total absence of information rather than tested capability.

For buyers wanting virtual surround, the Hisense offers DTS Virtual:X as a concrete feature. For native Atmos, you need a Hisense TV with the right decoding, which is a limitation. The Sennheiser provides no format support details, so you cannot plan any surround setup. The Hisense is the only model with any published audio format capabilities.

Subwoofer and Bass

The Hisense A620 has a built-in subwoofer, a 75 by 160 mm woofer placed behind a transparent acrylic window. There is no separate wireless subwoofer included. The small built-in woofer likely limits deep bass output, but it keeps the entire system compact. The listing does not specify the subwoofer's power or enclosure type beyond the dimensions.

The Sennheiser Momentum Sport listing does not state any subwoofer details. No size, type, or presence of a subwoofer is mentioned. The cons list correctly notes that no subwoofer information is provided. Without this data, bass performance cannot be assessed.

The Hisense's built-in subwoofer offers some improvement over TV speakers for low frequencies. Buyers wanting room-shaking bass will likely need a separate powered subwoofer, which the Hisense does not offer. The Sennheiser cannot be evaluated for bass at all. For a defined bass solution, even a modest one, the Hisense is the only choice between these two.

Connectivity and TV Setup

The Hisense A620 includes HDMI ARC, AUX, and USB connections. Bluetooth 5.3 is available for wireless audio streaming. The listing mentions eARC only in the context of Hisense TV mode, not as a confirmed dedicated input standard. Roku TV Ready support allows HDMI control with compatible televisions.

The Sennheiser Momentum Sport listing does not publish any connectivity specifications. No HDMI, ARC, AUX, USB, or other inputs are listed. The pros mention Bluetooth, but the listing does not confirm Bluetooth for a soundbar; it may refer to earbud functionality. There is no way to know how to connect this product to a TV.

For a basic TV setup, the Hisense offers the essential HDMI ARC and Bluetooth connections. The lack of Wi-Fi, AirPlay, or Chromecast is a drawback, but it covers the most common uses. The Sennheiser provides zero verifiable connections, making it impossible to plan. Any buyer needing TV connectivity should choose the Hisense.

Features, Apps and Voice Control

The Hisense A620 includes EzPlay, which allows control through a compatible Hisense TV remote. There is no dedicated smartphone app, no Wi-Fi, and no voice assistant support listed. The feature set is minimal but functional for basic operation. It covers the essentials without smart home integration.

The Sennheiser Momentum Sport listing does not list any soundbar features or apps. The cons note that there are no misleading soundbar feature claims, which is accurate because no features are described. However, the listing appears to describe earbud functions such as in-ear heart rate sensors and ear fins, which are not relevant to a soundbar.

Hisense's EzPlay is a small convenience for owners of Hisense TVs, reducing remote clutter. It does not replace a full app ecosystem or voice control. The Sennheiser offers no published features for soundbar use, and the earbud-like descriptions add confusion. For even basic control integration, the Hisense provides something concrete.

Design and Fit Under a TV

The Hisense A620 dimensions are not published in the listing, so exact fit cannot be confirmed. However, the all-in-one design with a built-in subwoofer suggests a compact footprint suitable for placing under many TVs. The transparent acrylic woofer window gives it a distinctive appearance. The absence of a separate subwoofer reduces clutter.

The Sennheiser Momentum Sport listing does not publish dimensions or any physical design details. There is no information on size, shape, or how it would fit under a television. The product name and earbud-like features in the listing suggest it may not even be a traditional soundbar shape. This makes fitment impossible to evaluate.

Without dimensions for either model, buyers cannot confirm exact under-TV placement. The Hisense at least describes an all-in-one soundbar with a visible built-in woofer, implying a horizontal bar design. The Sennheiser offers no such clues, leaving its physical form a mystery. For a TV setup, the Hisense is more likely to work as a typical soundbar.

Who Should Buy It

The Hisense A620 2.1ch is best for budget buyers who want a simple all-in-one soundbar with a built-in subwoofer and own a compatible Hisense TV. It suits those who prioritize compact design, basic HDMI ARC, and Bluetooth over advanced features. This buyer values a straightforward upgrade over TV speakers.

The Sennheiser Momentum Sport, based on the current listing, is only for buyers willing to gamble on a mislabeled product that may be returned if it does not function as a soundbar. It is not a rational choice for anyone needing verified TV audio performance. The listing's lack of specs makes it a blind purchase.

Overall, the Hisense has a clear target audience: budget-conscious Hisense TV owners who want a compact soundbar. The Sennheiser has no reliable target audience as a soundbar until the listing is corrected. Most shoppers should avoid the Sennheiser entirely and choose the Hisense if they want a functional TV soundbar.

The Deciding Question

The key question is whether you need a soundbar with published specifications and TV connectivity, or if you are willing to risk receiving a product that might be earbuds instead of a soundbar. The Hisense answers the first need with clear specs. The Sennheiser does not answer either need due to missing information.

Another angle is whether you own a Hisense TV. If yes, the A620's EzPlay and Atmos via TV mode offer some integration benefits. If not, you lose those perks, but the A620 still works as a basic soundbar with HDMI ARC and Bluetooth. For the Sennheiser, owning any TV does not help because there are no published TV connections.

Ultimately, the deciding question is about risk tolerance. Do you choose a known budget soundbar with modest specs, or gamble on an unknown listing with no verifiable soundbar details? For most buyers, the safe answer is the Hisense A620. The Sennheiser's uncertainty is too great for typical TV use.

Who Should Buy Which

Buy the Hisense A620 2.1ch if you want a compact budget soundbar with a built-in subwoofer, HDMI ARC, Bluetooth, and DTS Virtual:X, especially if you own a Hisense TV. It is a practical upgrade over TV speakers with clear published specs. This model works best for simple setups.

Do not buy the Sennheiser Momentum Sport as a soundbar based on the current listing. The only scenario where it might make sense is if you are willing to order, inspect the product, and return it if it does not match a soundbar's expected form and function. Even then, the risk of wasted time and effort is high.

For nearly all TV buyers, the Hisense A620 is the obvious choice between the two. The Sennheiser cannot be recommended until the manufacturer provides accurate soundbar specifications and corrects the listing. Choose the Hisense for a reliable budget soundbar; avoid the Sennheiser for now.

Hisense A620 2.1ch

Pros

  • Built-in subwoofer keeps the setup compact
  • DTS Virtual:X adds virtual height and width cues
  • EzPlay can simplify control with compatible Hisense TVs
  • Bluetooth 5.3 and HDMI ARC cover basic modern connections
  • Transparent acrylic woofer window gives a distinctive look
  • Budget price tier for an all-in-one design

Cons

  • Dolby Atmos requires a Hisense TV and HDMI ARC/eARC, not native
  • Driver sizes and full specifications are not published
  • No Wi-Fi, app, or voice assistant support listed
  • Bass output is limited by the small built-in woofer
  • eARC support is unclear outside Hisense TV mode

Sennheiser Momentum Sport

Pros

  • Budget price tier
  • Sennheiser brand name
  • The listing mentions Bluetooth, though not confirmed for a soundbar
  • No misleading soundbar feature claims to ignore

Cons

  • No published soundbar specifications
  • Listing appears to describe earbuds, not a soundbar
  • No HDMI, subwoofer, or audio format support stated
  • No dimensions or setup details
  • Cannot be compared to established budget soundbars

Who Should Buy Each

Hisense A620 2.1ch

  • Hisense TV owners looking for EzPlay integration
  • Small to medium room users who want minimal clutter
  • Buyers who want a low-cost upgrade over TV speakers
  • Listeners who prefer a visible built-in subwoofer design

Sennheiser Momentum Sport

  • Someone who has already seen the actual soundbar in person and confirmed its inputs
  • A buyer who only needs a basic audio device and can accept unknown specs
  • A Sennheiser loyalist who can verify the model through official channels

Quick Decision Guide

If you own a Hisense TV and want simple control integration Choose Hisense A620 2.1ch
If you require verifiable HDMI ARC and Bluetooth connectivity Choose Hisense A620 2.1ch
If you are willing to risk a mislabeled product and can return it Choose Sennheiser Momentum Sport
If you need native Dolby Atmos regardless of TV brand Choose Neither, but Hisense A620 2.1ch is closer with TV mode
If you want deep bass from a separate wireless subwoofer Choose Neither, but Hisense A620 2.1ch at least has a built-in subwoofer

FAQ

The Hisense A620 supports Dolby Atmos playback only through a compatible Hisense TV using the TV's decoding over HDMI ARC/eARC. It does not have native Atmos decoding in the soundbar itself. For non-Hisense TVs, Atmos is not available.
The listing does not confirm that the Sennheiser Momentum Sport is a soundbar. It provides no soundbar specifications and describes earbud features like heart rate sensors. Buyers should treat it as unverified and possibly mislabeled until corrected.
The Hisense A620 has HDMI ARC, AUX, USB, and Bluetooth 5.3. It also supports Roku TV Ready for HDMI control. eARC is mentioned only in Hisense TV mode, not confirmed as a standalone input. No Wi-Fi or AirPlay.
The listing does not state any TV connectivity for the Sennheiser Momentum Sport. No HDMI, ARC, or other inputs are published. Without confirmed connections, it cannot be relied upon for TV audio. You would be buying blind.
No, the Hisense A620 has a built-in subwoofer, a 75 by 160 mm woofer behind transparent acrylic. There is no separate wireless subwoofer. The built-in design keeps the setup compact but limits deep bass compared to larger dedicated subwoofers.
Hisense A620 2.1ch last verified: October 2026 Sennheiser Momentum Sport last verified: October 2026

About This Comparison

M

Mandrillis Team

The Mandrillis editorial team researches and compares audio and music gear using manufacturer documentation, verified specs and real buyer feedback, so you can make a confident purchase without wading through marketing claims.

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