Soundbars / Compare
JBL Bar 300MK2 vs Samsung HW-QS90H
Product A: JBL
68 of 98 known
Change JBL Bar 300MK2
Product B: Samsung
67 of 98 known
47 of 90 fields differ
- 28 different values
- 19 known for one only
- 25 the same
- 18 missing for both
Biggest differences
Each bar uses the scale of all 69 soundbars.
- Standby powerLower is betterA: 1WB: 0.5WSamsung is 0.5 W lower.
Weight
0 to 30,000 g
Soundbar weight
A2,900g
B6,700g
Package weight
A4,800g
B8,900g
All 98 fields
Every value links to where we found it.


Audio system
10 of 17 differ
System channel configuration
Physical drivers in the package
Physical drivers in the bar
Up-firing drivers in the package
Driver layout
AJBL Bar 300MK2
| Component | Driver type | Count | Diameter (mm) |
|---|---|---|---|
| Soundbar | Racetrack driver (42 x 80 mm) | 5 | Not available |
| Soundbar | Tweeter | 4 | 20 |
BSamsung HW-QS90H
| Component | Driver type | Count | Orientation |
|---|---|---|---|
| Soundbar | Wide-range speaker | 9 | Front, side, wide and upward |
| Soundbar | Built-in woofer | 4 | Not available |
Separate subwoofer included
Included subwoofer connection
Not available
Not available
Included subwoofer driver diameter
Not available
Not available
Rear speakers included
Included rear speaker connection
Not available
Not available
Detachable rear speakers
Compatible optional subwoofers
Not available
Not available
Compatible optional rear speakers
JBL Cove M1, JBL Cove P15Maker product pagesupport.jbl.com/howto/bar-300mk2-bar-500mk2-software-update-release-notes-me8zilyp8q7-us/000052493.htmlRead 8 October 2026Exact 300MK2/500MK2 US release notes name multi-channel grouping with Cove speakers in firmware 26.33.11.82.00, August 19, 2026. The separate exact-applicability FAQ names models and same-model pair requirement. This later optional expansion does not alter supplied package counts.6Maker product pagesupport.jbl.com/gb/en/howto/which-cove-speaker-models-are-compatible-with-jbl-bar-mk2-series-to-form-home-theater-groups-mttxsft6e8-emea/000055042.htmlRead 8 October 2026Current maker FAQ explicitly includes Bar 300MK2 and requires a pair of either two Cove M1 or two Cove P1 speakers for home theater grouping. US exact-family firmware release corroborates availability of this software feature. Speakers are optional, not supplied. Other Cove models and subwoofer compatibility are not inferred.
Total RMS audio output power
Not available
Total peak audio output power
Not available
Published frequency response lower limit
Not available
Published frequency response upper limit
Not available
Audio formats
5 of 9 differ
Dolby Atmos
DTS:X
Supported audio formats
Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS, DTS-HD, DTS-HD Master Audio, DTS:X, LPCM, Eclipsa Audio3Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Page 2 Supported formats for playback lists Dolby 5.1ch, Dolby Digital Plus, Dolby TrueHD, Atmos, DTS 5.1ch, DTS HD, DTS-HD Master Audio, DTS:X and LPCM 8Ch. LPCM is stored without its 8 channel limit. Eclipsa Audio is explicitly supported by the UK product page. Decoder support is separate from Bluetooth and music-file formats.
Audio formats by connection
BSamsung HW-QS90H
| Connection | Format |
|---|---|
| HDMI input | Dolby Atmos |
| HDMI input | DTS:X |
| HDMI ARC | Dolby Atmos |
| HDMI eARC | Dolby Atmos |
Music file formats
Max wired audio sample rate
Not available
Not available
Max music file sample rate
Not available
Max wired audio bit depth
Not available
Not available
Max music file bit depth
Not available
Not available
Connectivity
8 of 17 differ
Ports on the bar
AJBL Bar 300MK2
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | Source audio/video input |
| HDMI | 1 | TV video output and ARC/eARC audio input |
| Optical | 1 | Digital audio input |
| USB-A | 1 | US MP3 storage playback and service |
| AC power | 1 | AC power input |
BSamsung HW-QS90H
| Connector | Count | Role |
|---|---|---|
| HDMI | 1 | Audio and video input |
| HDMI | 1 | TV video output and ARC/eARC audio return |
| Optical | 1 | Digital audio input |
| USB-A | 1 | SERVICE firmware updates only |
| AC power | 1 | AC mains power input |
HDMI ARC
HDMI eARC
HDMI-CEC
HDMI video passthrough
Video passthrough modes
AJBL Bar 300MK2
Not availableBSamsung HW-QS90H
| Width (px) | Height (px) | Refresh rate (Hz) |
|---|---|---|
| 3840 | 2160 | 60 |
HDR passthrough formats
VRR passthrough
Not available
ALLM passthrough
Not available
HDCP version
Not available
Bluetooth audio input
Bluetooth version
Bluetooth audio codecs
Not available
Wi-Fi
Wi-Fi standard
Not available
Wi-Fi bands
Built-in Ethernet speed
Not available
Not available
Streaming and control
3 of 8 differ
Streaming protocols
AirPlay 2, Google Cast, Spotify Connect, Tidal Connect, Roon Ready3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Printed pages 10-16 describe Google Cast, AirPlay and Spotify Connect and group playback. Exact US launch and current page independently add AirPlay 2, Tidal Connect and Roon Ready. Availability can require subscriptions and varies by service and market.4Press releasenews.harman.com/releases/jbl-introduces-next-gen-bar-series-for-truly-immersive-entertainmentRead 8 October 2026Exact Bar 300MK2 column explicitly lists AirPlay 2, Google Cast, Roon Ready, Spotify Connect and Tidal Connect. SmartThings is control, not an added music protocol. DTS Virtual:X launch forecast was late 2025, superseded by the exact dated firmware notes.
AirPlay 2, Google Cast, Spotify Connect, Tidal Connect, Roon Ready1Maker product pagesamsung.com/uk/audio-devices/soundbar/qs90h-black-hw-qs90h-xuRead 8 October 2026UK Special Feature list supports Chromecast, Spotify Connect, Tidal Connect, Roon Ready and AirPlay. UK Expert Reviews explicitly identifies AirPlay 2. This is UK service support, not every regional SKU.
Voice assistants
Built-in microphone
Microphone mute control
Not available
Companion apps
Companion app platforms
Multiroom audio
Yes3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Printed page 16 explicitly documents synchronized Google Cast groups and multiple selected AirPlay speakers on the same home network. Optional rear expansion is separate.5Maker product pagesupport.jbl.com/howto/bar-300mk2-bar-500mk2-software-update-release-notes-me8zilyp8q7-us/000052493.htmlRead 8 October 2026August 19, 2026 firmware explicitly adds JBL Whole-Home Audio synchronized playback. Auracast is also announced, but its direction and codec are not specified and it is not relabeled a Wi-Fi protocol. July 15, 2025 firmware explicitly adds DTS Virtual:X, superseding the launch forecast. No DTS:X decoder is inferred.
Sound processing
5 of 7 differ
Sound modes
Not available
Automatic room calibration
Room calibration system
Dialogue enhancement
Night mode
Equalizer controls
7-band EQ in JBL One, Five bass levels3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Printed pages 7 and 13 give five bass levels, default 3. Seven-band app EQ is explicitly established by the maker launch, not guessed from an app screenshot.4Press releasenews.harman.com/releases/jbl-introduces-next-gen-bar-series-for-truly-immersive-entertainmentRead 8 October 2026Release explicitly states seven-band EQ for every named new Bar model, including Bar 300MK2. Manual separately proves the five bass levels.
TV speaker integration
Not available
Power
3 of 6 differ
Published operating power
Not available
Published standby power
Published networked standby power
Power supply
Internal power supply, 100-240 V AC, 50/60 Hz3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Printed pages 2, 6 and 18: supplied AC cord connects directly to the bar, rated 100-240 V AC, 50/60 Hz. No external adapter or output-wattage-to-input conversion is used.
Detachable rear battery life
Not available
Not available
Detachable rear charge time
Not available
Not available
Measured
1 of 8 differ
Low-frequency extension (measured)
Not available
Not available
High-frequency extension (measured)
Not available
Not available
Max sound pressure (measured)
Not available
Not available
Frequency response deviation (measured)
Not available
Not available
Measured latency
AJBL Bar 300MK2
Not availableBSamsung HW-QS90H
| Connection | Latency (ms) |
|---|---|
| Bluetooth | 220 |
Operating power (measured)
Not available
Not available
Standby power (measured)
Not available
Not available
Soundbar weight (measured)
Not available
Not available
Dimensions and weight
5 of 6 differ
Soundbar dimensions
Width940Height50.5Depth104mm(37 × 2 × 4.1 in)3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Printed page 18 gives bare bar W x H x D directly in mm: 940 x 50.5 x 104. Brackets, cables and shipping packaging are excluded. Rounded inch figures are not converted over these metric values.
Width1,245Height68.8Depth125mm(49 × 2.7 × 4.9 in)1Maker product pagesamsung.com/uk/audio-devices/soundbar/qs90h-black-hw-qs90h-xuRead 8 October 2026Net Dimension (Main Speaker), normal tabletop orientation. Wall orientation is different.
Soundbar weight
Component dimensions and weight
AJBL Bar 300MK2
| Component | Width (mm) | Height (mm) | Depth (mm) | Weight (g) |
|---|---|---|---|---|
| Soundbar | 940 | 50.5 | 104 | 2,900 |
BSamsung HW-QS90H
Not availablePackage dimensions
Width1,180Height120Depth160mm(46.5 × 4.7 × 6.3 in)3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Printed page 18 explicitly labels packaging W x H x D as 1180 x 120 x 160 mm.
Width1,373Height138Depth174mm(54.1 × 5.4 × 6.9 in)1Maker product pagesamsung.com/uk/audio-devices/soundbar/qs90h-black-hw-qs90h-xuRead 8 October 2026
Package weight
In the box
2 of 4 differ
In the box
JBL Bar 300MK2 soundbar, Remote control with two AAA batteries, Power cord, 1.2 m HDMI cable, Two L-shaped wall-mount brackets and mounting hardware, Quick start guide, Safety instructions and warranty card, Wall-mounting template1Maker product pagejbl.com/JBLBAR300M2BLKAM.htmlRead 8 October 2026Current exact US maker box list explicitly names quick start guide, safety instructions and warranty card, and wall-mount template. Power cords are published as up to four depending on region, so no regional cord count is inferred.3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Printed page 5 complete inventory. Two AAA cells, one 1.2 m HDMI cable, two wall brackets with hardware and product information/template are supplied. Power-cord count and plugs vary by regional package, so no up-to-four global count is asserted for US. Optional Cove speakers are not supplied.
Soundbar, Remote control, 2 AAA batteries, AC power cable, Wall-mounting guide, Wall-mounting bracket, Holder screw, 2 M4 x L10 screws, 2 wall anchors, 2 M5 x L55 wall screws, 4 rubber feet2Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Page 4 components, page 6 two AAA batteries. UK simple guide confirms this list. Remote and wall mount are confirmed on the UK page. Regional cable/battery caveat applies. HDMI cable is kept out of this list because the UK guide warns it may not be provided.9Retailer pagebusiness.currys.co.uk/catalogue/tv-entertainment/dvd-blu-ray-home-cinema/soundbars/samsung-hw-qs90h-xu-7-1-2-all-in-one-sound-bar-with-dolby-atmos-dts-x/N524480WRead 8 October 2026Exact UK /XU box-contents list confirms remote control, batteries, power cable and wall mount kit. Battery type/quantity is stated by the maker manual. Retailer power-adapter claim is not used because the maker shows direct AC cable input.
Wall mount hardware included
HDMI cable included
Not available
Optical cable included
General
5 of 7 differ
Series
Model numbers
GTIN / EAN
Announced
Status
Predecessor
Not available
Not available
Successor
Not available
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Not available
Markets
Links
Not compared
Product page
Spec sheet
www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw57f29c81/pdfs/JBL_BAR_300MK2_Black_Specsheet_EN.pdf2Maker spec sheet (PDF)jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw57f29c81/pdfs/JBL_BAR_300MK2_Black_Specsheet_EN.pdfRead 8 October 2026Original two-page English JBL Bar 300MK2 datasheet, linked by the exact US maker page. Its nine-driver inventory, geometry and explicit RMS footnote agree with the original owner manual. Regional USB exception is stated.
www.supersonido.es/media/productos/59259/docs/documento-28683.pdf6Maker spec sheet (PDF)supersonido.es/media/productos/59259/docs/documento-28683.pdfRead 8 October 2026Samsung Spain 2026 HW-QS90H product sheet hosted by Supersonido. Page 2 has EAN 8806099013493 for the /XC region, not the UK /XU GTIN. This document was opened and visually checked. Its unqualified 330 W output is not stored as RMS or peak.
Manual
www.jbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdf3Owner's manualjbl.com/on/demandware.static/-/Sites-masterCatalog_Harman/default/dw2ac4f39c/pdfs/HA_JBL_Bar%20300MK2_OM_Global_EN_V7.pdfRead 8 October 2026Original 23-page owner manual, printed pages 2-22, document HA_JBL_Bar 300MK2_OM_Global_EN_V7. All pages read. Americas back panel and US-only MP3 playback are distinguished from service-only USB in other regions.
org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx2Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Samsung UK support download for HW-QS90H/XU. EU user guide AH81-18516B-00, version 260423.0. Also covers sibling QS95H/QS95GH. Only the exact QS90H functions confirmed on the UK page are used.
EPREL registration number
Not available
Not available
Warranty
0 of 1 differ
Manufacturer warranty (source market)
Both are also in the API. Back to all soundbars.













