JBL Bar 2.1 Deep Bass MK2 · #7 of 10 in Best Soundbars Under $300

JBL Bar 2.1 Deep Bass MK2 Review

A simple 2.1 system built for shoppers who want substantial bass without a complicated feature set.

JBL Bar 2.1 Deep Bass MK2

At a Glance

The Bar 2.1 Deep Bass MK2 puts much of its budget into a proper subwoofer and easy TV operation, resulting in a punchy movie experience with fewer smart and surround features.

Performance 92%
Reliability 82%
Features 72%
Value 87%
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JBL Bar 2.1 Deep Bass MK2 Specifications

The JBL Bar 2.1 Deep Bass MK2 is a 300 W 2.1-channel soundbar system with four racetrack drivers, two 1-inch tweeters, a 6.5-inch wireless subwoofer, HDMI 1.4 ARC, optical input, USB audio playback and Bluetooth 4.2.

Audio & Channels

Channel Configuration2.1
SpeakersSoundbar: 4 racetrack drivers + 2 x 1 in tweeters; subwoofer: 1 x 6.5 in driver
Total Power Output300 W maximum total: 2 x 50 W soundbar + 200 W subwoofer
Frequency Response40 Hz-20 kHz
Subwoofer Driver6.5 in

Audio Formats

Supported FormatsDolby Digital; MP3; WAV

Included Components

  • Main soundbar
  • Wireless subwoofer

Sound Features

  • JBL Surround Sound

Connectivity

HDMI Inputs1 HDMI video input
HDMI eARC/ARC1 HDMI 1.4 output with ARC
Optical Input1 optical input
USB1 USB Type-A; U.S. version supports MP3 and WAV playback

Wireless & Streaming

Wi-FiNone
BluetoothBluetooth 4.2; A2DP 1.3 and AVRCP 1.5

Controls & Smart Features

RemoteRemote control included

Dimensions & Weight

Soundbar Dimensions38.0 x 2.2 x 3.4 in (965 x 56 x 85 mm)
Soundbar Weight4.72 lb (2.14 kg)
Subwoofer Dimensions8.9 x 8.9 x 14.6 in (240 x 240 x 379 mm)
Subwoofer Weight12.37 lb (5.61 kg)
Rear Speaker DimensionsNot included
Wall MountWall-mount bracket kit with screws included

Power

Power ConsumptionSoundbar and subwoofer standby power <0.5 W; 100-240 V AC, 50/60 Hz

In the Box

  • Soundbar
  • Remote control with batteries
  • Power cords
  • HDMI cable
  • Wall-mount bracket kit with screws
  • Quick Start Guide
  • Warranty card
  • Safety sheet

Summary

The two-piece system focuses on TV audio and Bluetooth music playback without Wi-Fi or app streaming. Its HDMI connection supports ARC rather than eARC, and the U.S. model supports MP3 and WAV playback from USB.

Should You Buy the JBL Bar 2.1 Deep Bass MK2?

The JBL Bar 2.1 Deep Bass MK2 ranks #7 of 10 in our Best Soundbars Under $300 ranking, with a CORE score of 79/100. Its standout area is bass performance, where it ranks 1st of 10.

Buy it if

  • You need strong bass impact and simple TV operation.
  • You want strong bass performance: it ranks 1st of 10 on this measure.

Skip it if

  • Features & music flexibility is your top priority. The Sonos Ray scores 93 there, against 72 for the JBL Bar 2.1 Deep Bass MK2.

How the JBL Bar 2.1 Deep Bass MK2 Scored

CORE scores every model in this category on the factors below, listed from most to least important for soundbars under $300. The rank shows where the JBL Bar 2.1 Deep Bass MK2 places among the 10 models in our Best Soundbars Under $300 ranking.

Sound & Dialogue Quality 82/100 · 7th of 10
Surround & Atmos Immersion 58/100 · 9th of 10
Bass Performance 92/100 · 1st of 10
Connectivity & Compatibility 79/100 · 4th of 10
Setup & Everyday Use 86/100 · 6th of 10
Value & Total Cost 87/100 · 6th of 10
Features & Music Flexibility 72/100 · 10th of 10
Reliability & Support 82/100 · 4th of 10
Verified Owner Validation 74/100 · 9th of 9

Technical Assessment

Performance

The separate subwoofer supplies the physical low-end weight that small bars often lack, making action scenes and bass-heavy programmes feel fuller. Speech remains serviceable and setup is direct through HDMI ARC or optical, but spatial effects stay front-heavy and the system offers fewer music-platform and tuning options than more connected rivals.

Reliability and Ownership

The retained owner sample is moderate rather than enormous, and no repeated exact-model failure issue was strong enough to define ownership risk. 1 kits, though the subwoofer still needs its own placement and power.

Pros and Cons

Pros

  • Large wireless subwoofer delivers strong low-frequency impact
  • HDMI ARC and optical inputs keep TV setup simple
  • Two-piece layout provides more bass authority than compact all-in-one bars

Cons

  • Surround presentation is virtual rather than produced by rear speakers
  • Music and feature flexibility are basic compared with app-led smart bars
  • There is no Dolby Atmos height layer
  • Owner review coverage is thinner than for the most widely reviewed alternatives

What Reviewers and Owners Say

  • Exact-model lab review covers movie, speech and music quality, maximum-volume distortion, usability and features for the Bar 2.1 Deep Bass MK2.
  • The same lab program separately evaluates speech, movie and music reproduction, ease of setup, maximum-volume distortion and feature breadth.
4.2/ 5

Owners rate the JBL Bar 2.1 Deep Bass MK2 4.2 out of 5 on average, across 98 ratings at a major US retailer.

JBL Bar 2.1 Deep Bass MK2 Alternatives

#9 · CORE 79

Sonos Ray

Choose it for stronger features & music flexibility: it scores 93 there, against 72 for the JBL Bar 2.1 Deep Bass MK2.

#6 · CORE 80

TCL Q65H Q Series 5.1

Choose it for stronger surround & Atmos immersion: it scores 78 there, against 58 for the JBL Bar 2.1 Deep Bass MK2.

#8 · CORE 79

TCL S55H S Class 2.1

Choose it for stronger features & music flexibility: it scores 85 there, against 72 for the JBL Bar 2.1 Deep Bass MK2.

See all 10 models in Best Soundbars Under $300 →

How We Evaluate

Category-Specific Fit Technical Verification Performance Evidence Reliability & Support Buyer Trade-Offs Value & Ownership

Last updated October 7, 2026.