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.

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.
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 Configuration | 2.1 |
| Speakers | Soundbar: 4 racetrack drivers + 2 x 1 in tweeters; subwoofer: 1 x 6.5 in driver |
| Total Power Output | 300 W maximum total: 2 x 50 W soundbar + 200 W subwoofer |
| Frequency Response | 40 Hz-20 kHz |
| Subwoofer Driver | 6.5 in |
Audio Formats
| Supported Formats | Dolby Digital; MP3; WAV |
Included Components
- Main soundbar
- Wireless subwoofer
Sound Features
- JBL Surround Sound
Connectivity
| HDMI Inputs | 1 HDMI video input |
| HDMI eARC/ARC | 1 HDMI 1.4 output with ARC |
| Optical Input | 1 optical input |
| USB | 1 USB Type-A; U.S. version supports MP3 and WAV playback |
Wireless & Streaming
| Wi-Fi | None |
| Bluetooth | Bluetooth 4.2; A2DP 1.3 and AVRCP 1.5 |
Controls & Smart Features
| Remote | Remote control included |
Dimensions & Weight
| Soundbar Dimensions | 38.0 x 2.2 x 3.4 in (965 x 56 x 85 mm) |
| Soundbar Weight | 4.72 lb (2.14 kg) |
| Subwoofer Dimensions | 8.9 x 8.9 x 14.6 in (240 x 240 x 379 mm) |
| Subwoofer Weight | 12.37 lb (5.61 kg) |
| Rear Speaker Dimensions | Not included |
| Wall Mount | Wall-mount bracket kit with screws included |
Power
| Power Consumption | Soundbar 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.
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.
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
Sonos Ray
Choose it for stronger features & music flexibility: it scores 93 there, against 72 for the JBL Bar 2.1 Deep Bass MK2.
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.
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.
How We Evaluate
Last updated October 7, 2026.