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Quick answer: The Fire TV Soundbar is a 2.0 bar with DTS Virtual:X and Dolby Audio. The Soundbar Plus is a 3.1-channel bar with a built-in subwoofer and Dolby Atmos support, at about $249.
This comparison is built from the product listings on Amazon and manufacturer information, not our own testing. Prices were as listed on Amazon.com on October 30, 2026, converted where needed, and change. Confirm details on the product pages.
By the Reviewstook Editorial Team. Last updated: October 31, 2026.
At a Glance
| Feature | Fire TV Soundbar | Soundbar Plus |
|---|---|---|
| What the listing says | A 2.0 soundbar with DTS Virtual:X, Dolby Audio and Bluetooth. | A 3.1 channel soundbar with a built-in subwoofer and Dolby Atmos. |
| Approximate price (Oct 30, 2026) | Not confirmed in our check | Not confirmed in our check |
| Best for | Fire TV owners wanting a simple upgrade | TVs where you want more bass and height effects |
| Strengths | Simple design and Dolby Audio | 3.1 channels and Atmos support |
| Weaknesses | No subwoofer | Built-in sub is limited versus a separate one |
Key Differences
Channels and bass
The base bar is 2.0 with no subwoofer, so bass is limited. The Plus adds a center channel and a built-in subwoofer for clearer dialogue and more bass.
Surround formats
The base bar lists DTS Virtual:X and Dolby Audio. The Plus adds Dolby Atmos support. Atmos benefits depend on your content.
Price
The Plus costs more. A separate wireless subwoofer would give even deeper bass.
Strengths and Weaknesses in Detail
Fire TV Soundbar
Best for fire TV owners wanting a simple upgrade. Its main strengths, per the listing, are simple design and Dolby Audio. The main weakness we found is no subwoofer.
Soundbar Plus
Best for tVs where you want more bass and height effects. Its main strengths, per the listing, are 3.1 channels and Atmos support. The main weakness we found is built-in sub is limited versus a separate one.
Who Should Skip Each
- Skip the Fire TV Soundbar if you want deep bass.
- Skip the Soundbar Plus if you want a big wireless sub.
How to Decide Between Them
List the devices you will connect and check the inputs, then measure the space. Power and size should match your room: a small desk rarely needs a large speaker. If you want deeper bass, check for a subwoofer output or a separate sub, and use the best wired input available instead of relying on Bluetooth for TV.
Which Should You Choose?
Choose the Fire TV Soundbar if
you want a simple, low-cost upgrade for dialogue.
Choose the Soundbar Plus if
you want more bass, a center channel and Atmos support.
Before You Buy
- Check the inputs against your devices.
- Measure the space for the speakers or bar.
- Check the power and size for your room.
- Check the return window and warranty.
Frequently Asked Questions
Which is cheaper, the Fire TV Soundbar or the Soundbar Plus?
In the listings we checked, the Fire TV Soundbar was not confirmed at not confirmed in our check, against not confirmed in our check for the Soundbar Plus. Prices change, so confirm on Amazon.
Do I need Atmos?
Only if you watch content with Atmos and want height effects. Many small rooms do not need it.
Can I return it if it does not suit me?
Check the return window and the seller on the Amazon page before you buy, and keep the packaging while you test.
Bottom Line
Choose the Fire TV Soundbar if you want a simple, low-cost upgrade for dialogue. Choose the Soundbar Plus if you want more bass, a center channel and Atmos support. Treat this as a way to narrow your choice, then confirm the details that matter to you on the product pages.
