Does the JBL BAR 300 MK2 include a subwoofer?

Yes. It ships with a wireless subwoofer, so you get deeper bass without running a cable across the room.

Does it support Dolby Atmos?

Yes. It decodes Dolby Atmos, though with no rear speakers the height and surround effects are mostly front-facing.

Can I add rear speakers later?

No. The BAR 300 MK2 is a fixed 5.0 setup and does not support optional rear surround speakers.

How does it connect to a TV?

It connects over HDMI, and the wireless subwoofer pairs automatically. Setup is quick for most TVs.

Is it good for small rooms?

Yes. The compact bar and wireless subwoofer suit small to medium rooms, though you may want to lower the bass in tight spaces.

How does it compare with the Sonos Beam?

The JBL adds a bundled wireless subwoofer for stronger bass, while the Beam offers a more polished app and ecosystem but no included sub.

Where is the JBL BAR 300 MK2 5.0 Channel Soundbar cheapest?

At Walmart, for $472.45, as of our latest check.

Is the JBL BAR 300 MK2 5.0 Channel Soundbar at its lowest price?

Yes: $472.45 is the lowest price we've seen for it since November 9.

Where can I buy the JBL BAR 300 MK2 5.0 Channel Soundbar?

2 stores we checked sell it, including Walmart, Best Buy.

JBL BAR 300 MK2 5.0 Channel Soundbar

Best price now

$472.45at WalmartChecked 9 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

Visit Walmart

JBL BAR 300 MK2 5.0 Channel Soundbar

Best price now

$472.45at WalmartChecked 9 h ago

Compared across 2 stores. Prices are checked against each store and labelled with when.

Visit Walmart

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Price facts

Lowest price today: $472.45 at Walmart (checked Nov 11, 2026).
Checked at 2 stores.

Our take on the JBL BAR 300 MK2 5.0 Channel Soundbar

The JBL BAR 300 MK2 is a 5.0-channel soundbar with Dolby Atmos and a wireless subwoofer, built to replace TV speakers with a wider, more dynamic soundstage. It stands out for its compact single-bar design and room-tuning, which suits apartments and smaller living rooms where a full surround setup is impractical. Against rivals like the Sonos Beam and Bose Smart Soundbar 300, it adds a bundled wireless subwoofer for deeper bass but lacks rear speakers, so true surround effects stay limited. Reviewers generally find it easy to set up and good for movies and TV, while some note dialogue clarity and the app can be less polished than premium competitors.

Best forSmall to medium living roomsMovie and TV watchingApartments where rear speakers are impracticalBuyers who want a bundled wireless subwoofer

Pros

Dolby Atmos decoding with a 5.0-channel layout
Wireless subwoofer included for deeper bass
Compact single-bar design fits under most TVs
HDMI connection with straightforward setup
Room-tuning helps in irregular spaces

Cons

No rear speakers, so surround effects are limited
Dialogue can sound less crisp than premium rivals
App and calibration less refined than top competitors
Bass may overwhelm small rooms at high volume

JBL BAR 300 MK2 5.0 Channel Soundbar prices at every store

WalmartNew
In stockSold by World Wide Stereo (Authorized)Returns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$472.45Free shippingChecked 9 h ago
Visit Walmart
Best BuyNew
In stock
$472.45Free shippingChecked 9 h ago
Visit Best Buy

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JBL BAR 300 MK2 5.0 Channel Soundbar price history

$472.45$472.45

Nov 9Nov 11

Lowest price we've seen: $472.45 on Nov 9 at Best Buy. Tracked across 1 store since Nov 9.

What reviewers say

Owners and reviewers describe the BAR 300 MK2 as an easy upgrade over TV speakers, with strong bass from the wireless subwoofer and clear Dolby Atmos support. Most praise the simple setup and compact size, while some criticise dialogue clarity and the limited sense of surround without rear speakers.

What people mention

BassPraisedOwners like the deep bass the wireless subwoofer adds for movies and music.
SetupPraisedReviewers say HDMI hookup and pairing are quick and simple.
DialogueMixedSome find voices less crisp than on premium soundbars, especially at low volume.
SurroundCriticisedWithout rear speakers, the Atmos effect is described as limited and mostly frontal.
SizePraisedThe compact bar is said to fit neatly under most TVs.
AppMixedThe companion app is called functional but basic compared with rivals.

About the JBL BAR 300 MK2 5.0 Channel Soundbar

This Package Includes JBL Bar 300 MK2 5.0 Channel Soundbar with Dolby Atmos AudioQuest Sky 48 Gbps 8K 10K Ultra High Speed HDMI Cable with eARC (3.0 Meters) JBL Bar 300 MK2 5.0 Channel Soundbar with Dolby Atmos Hear the Sound Come Alive You’re watching TV in 4K high-definition resolution—so why listen in black-and-white? Flat TVs only offer flat sound. The JBL Bar 300MK2 delivers immersive cinematic sound worthy of JBL's almost century-long Hollywood heritage. Whether you’re watching or gaming enjoy crystal-clear dialogue Dolby Atmos® surround effects and a wide soundstage that elevates your entertainment experience. Plus easy access to hundreds of streaming services so you can groove to your favorite music with best-in-class sound all night long. All from a smartly

Specifications

Connections: HDMISource
Subwoofer: YesSource
Color: BlackSource
Surround Sound Formats: Dolby AtmosSource

Questions and answers

Does the JBL BAR 300 MK2 include a subwoofer?: Yes. It ships with a wireless subwoofer, so you get deeper bass without running a cable across the room.
Does it support Dolby Atmos?: Yes. It decodes Dolby Atmos, though with no rear speakers the height and surround effects are mostly front-facing.
Can I add rear speakers later?: No. The BAR 300 MK2 is a fixed 5.0 setup and does not support optional rear surround speakers.
How does it connect to a TV?: It connects over HDMI, and the wireless subwoofer pairs automatically. Setup is quick for most TVs.
Is it good for small rooms?: Yes. The compact bar and wireless subwoofer suit small to medium rooms, though you may want to lower the bass in tight spaces.
How does it compare with the Sonos Beam?: The JBL adds a bundled wireless subwoofer for stronger bass, while the Beam offers a more polished app and ecosystem but no included sub.
Where is the JBL BAR 300 MK2 5.0 Channel Soundbar cheapest?: At Walmart, for $472.45, as of our latest check.
Is the JBL BAR 300 MK2 5.0 Channel Soundbar at its lowest price?: Yes: $472.45 is the lowest price we've seen for it since November 9.
Where can I buy the JBL BAR 300 MK2 5.0 Channel Soundbar?: 2 stores we checked sell it, including Walmart, Best Buy.