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Deal.ai › JBL › Dolby Atmos Soundbars
JBL
JBL BAR-300-MK2 5.0 All-in-One with Dolby Atmos Soundbar and 2 Year Amber Protection Plan (2025)

JBL BAR-300-MK2 5.0 All-in-One with Dolby Atmos Soundbar and 2 Year Amber Protection Plan (2025)

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$474.99at WalmartChecked Nov 11

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Price facts

  • Last seen at $474.99 at Walmart on Nov 11.

Our take on the JBL BAR-300-MK2 5.0 All-in-One with Dolby Atmos Soundbar and 2 Year Amber Protection Plan (2025)

The JBL BAR 300 MK2 is a 5.0-channel all-in-one soundbar with Dolby Atmos, designed to upgrade your TV sound without a separate subwoofer. It uses five racetrack drivers and four tweeters to create a wide soundstage, and supports HDMI eARC with 4K Dolby Vision and HDR10+ passthrough. Reviewers often praise its clear dialogue and immersive Atmos effect for its size, though some miss the deep bass that a dedicated subwoofer would provide. It suits people who want a simple, clutter-free setup with good sound for movies and TV.

Best forSmall to medium living roomsPeople who want a clutter-free setup without a subwooferMovie and TV watchers seeking clear dialogueGamers and streamers needing 4K HDR passthrough
Pros
  • Dolby Atmos delivers immersive, height-enhanced sound
  • Five racetrack drivers and four tweeters produce a wide soundstage
  • HDMI eARC with 4K Dolby Vision and HDR10+ passthrough
  • Easy sound calibration and JBL One app control
  • Bluetooth 5.3 for wireless streaming
Cons
  • No dedicated subwoofer, so deep bass is limited
  • No upward-firing drivers; Atmos effect is virtual
  • Only one HDMI input
  • May not satisfy bass-heavy music or action movie fans

JBL BAR-300-MK2 5.0 All-in-One with Dolby Atmos Soundbar and 2 Year Amber Protection Plan (2025) prices at every store

  • WalmartNew

    In stockSold by Walts TVReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.

    $474.99Free shippingChecked Nov 11
    Visit Walmart

What reviewers say

Owners and reviewers generally praise the JBL BAR 300 MK2 for its clear dialogue, wide soundstage, and easy setup. Many note that the virtual Dolby Atmos adds a sense of height, but some find the bass lacking compared to systems with a subwoofer. The build quality and app control are often highlighted as positives.

What people mention
  • Sound qualityPraisedReviewers say dialogue is clear and the soundstage is wide for a single bar.
  • BassCriticisedSome owners find the bass lacking, especially for action movies and music.
  • Atmos effectMixedThe virtual Atmos adds some height, but it's not as convincing as systems with upward-firing drivers.
  • SetupPraisedEasy to set up and calibrate, with the JBL One app making adjustments simple.
  • ConnectivityMixedHDMI eARC works well, but some users report occasional Bluetooth or app connection issues.

About the JBL BAR-300-MK2 5.0 All-in-One with Dolby Atmos Soundbar and 2 Year Amber Protection Plan (2025)

The JBL BAR-300-MK2 is a 5.0-channel all-in-one soundbar with Dolby Atmos. It uses MultiBeam 3.0 technology and has five racetrack drivers and four tweeters. It comes in black.

PureVoice 2.0, SmartDetails and Easy Sound Calibration are included, and the soundbar works with the JBL One app. An HDMI eARC connection passes through 4K video with HDR10+ and Dolby Vision. Optical, Bluetooth and USB inputs are also available.

It is intended for residential use only.

Color
Black
Dimensions
37" W x 2.0" H x 4.1" D
Sound system
5.0 channel
Surround tech
Dolby Atmos, MultiBeam 3.0
Voice
PureVoice 2.0
Drivers
5 x (42 x 80) mm racetrack drivers, 4 x 0.75" (20 mm) tweeters
Frequency response
50 Hz - 20 kHz (-6 dB)
HDMI
1 x HDMI video input, 1 x HDMI video output with eARC
HDMI HDCP
2.3
HDR pass-through
HDR10+, Dolby Vision
Video passthrough
4K Dolby Vision
Audio inputs
Optical, Bluetooth, USB
Bluetooth
Version 5.3
App
JBL One

Specifications

color
BlackSource
size
37 W x 2.0 H x 4.1 DSource

Questions and answers

Does the JBL BAR 300 MK2 come with a subwoofer?
No, it is an all-in-one soundbar without a dedicated subwoofer. It relies on its built-in drivers for bass.
What is the difference between the BAR 300 MK2 and the previous BAR 300?
The MK2 version adds PureVoice 2.0 and SmartDetails for improved dialogue clarity and detail, and updates to Bluetooth 5.3. The core speaker configuration remains similar.
Can I add rear speakers or a subwoofer later?
No, the BAR 300 MK2 does not support optional rear speakers or a subwoofer. It is a standalone unit.
Does it support 4K HDR passthrough?
Yes, it has one HDMI input and one HDMI eARC output that support 4K Dolby Vision and HDR10+ passthrough.
What's in the box?
The box includes the soundbar, remote control, power cord, HDMI cable, wall-mount kit, and quick-start guide.
Is the JBL BAR 300 MK2 good for music?
It handles music well with clear mids and highs, but bass-heavy genres may lack depth without a subwoofer.
Where is the JBL BAR-300-MK2 5.0 All-in-One with Dolby Atmos Soundbar and 2 Year Amber Protection Plan (2025) cheapest?
At Walmart, for $474.99, as of our latest check.

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