Product comparison · 2 soundbar speakers

Samsung HW-LS51H/XU soundbar speaker White 2.0 channels vs Samsung Q800H Q-series 5.1.2 Ch with Subwoofer (2026)

40specifications compared
25differ
15identical
17known for one product only

Key differences

The Samsung Q800H Q-series 5.1.2 Ch with Subwoofer (2026) has 290 W more RMS rated power than the Samsung HW-LS51H/XU soundbar speaker White 2.0 channels (360 W vs 70 W). The Samsung Q800H Q-series 5.1.2 Ch with Subwoofer (2026) has 8 more speakers than the Samsung HW-LS51H/XU soundbar speaker White 2.0 channels (11 vs 3). The Samsung Q800H Q-series 5.1.2 Ch with Subwoofer (2026) has 11.7 kg more set weight than the Samsung HW-LS51H/XU soundbar speaker White 2.0 channels (15.3 kg vs 3.6 kg). Only the Samsung Q800H Q-series 5.1.2 Ch with Subwoofer (2026) has enhanced Audio Return Channel (eARC). Only the Samsung Q800H Q-series 5.1.2 Ch with Subwoofer (2026) has subwoofer included.

Audio output channels
- HW-LS51H/XU soundbar speaker White 2.0 channels:2.0 channels
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):5.1.2 channels
RMS rated power
- HW-LS51H/XU soundbar speaker White 2.0 channels:70 W
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):360 W
Equalizer modes
- HW-LS51H/XU soundbar speaker White 2.0 channels:Standard, Music
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):Standard, Game Pro
Enhanced Audio Return Channel (eARC)
- HW-LS51H/XU soundbar speaker White 2.0 channels:No
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):Yes
Number of speakers
- HW-LS51H/XU soundbar speaker White 2.0 channels:3
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):11
Subwoofer included
- HW-LS51H/XU soundbar speaker White 2.0 channels:No
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):Yes
Product colour
- HW-LS51H/XU soundbar speaker White 2.0 channels:White
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):Black
Main unit dimensions (WxHxD)
- HW-LS51H/XU soundbar speaker White 2.0 channels:290 x 355 x 164 mm
- Q800H Q-series 5.1.2 Ch with Subwoofer (2026):1182 x 404 x 291 mm

Side by side

Differences highlightedShow differences only

Comparison of HW-LS51H/XU, HW-Q800H/XU
57 specifications	A Samsung HW-LS51H/XU soundbar speaker White 2.0 channels Model HW-LS51H/XU View product	B Samsung Q800H Q-series 5.1.2 Ch with Subwoofer (2026) Model HW-Q800H/XU View product
Audio5 differ
Audio output channelsDiffers	2.0 channels	5.1.2 channels
RMS rated powerDiffers	70 W	360 W
Audio decodersDiffers	Dolby Atmos Music, Dolby Atmos, Dolby Digital 5.1, Dolby Digital Plus	DTS 5.1, DTS-HD Master Audio 5.1, DTS:X, Dolby Atmos, Dolby Digital Plus, Dolby TrueHD
Equalizer modesDiffers	Standard, Music	Standard, Game Pro
Enhanced Audio Return Channel (eARC)Differs	No	Yes
Game modeKnown for one	Unknown — not stated by the source	Yes
Audio Return Channel (ARC)Known for one	No	Unknown — not stated by the source
Soundbar speaker1 differ
Number of speakersDiffers	3	11
Soundbar speaker RMS powerKnown for one	70 W	Unknown — not stated by the source
Subwoofer1 differ
Subwoofer includedDiffers	No	Yes
Subwoofer connectivityKnown for one	Unknown — not stated by the source	Wireless
Features1 differ
Product colourDiffers	White	Black
High Dynamic Range (HDR) technologyKnown for one	Unknown — not stated by the source	High Dynamic Range 10+ (HDR10 Plus)
USB direct playback	No	No
Apple AirPlay 2 support	Yes	Yes
Audio formats supported	AAC, MP3, WAV, FLAC, OGG, LPCM, ALAC, AIFF	AAC, MP3, WAV, FLAC, OGG, LPCM, ALAC, AIFF
Network streaming services supported	Tidal	Tidal
Consumer Electronics Control (CEC)Known for one	Unknown — not stated by the source	Yes
Spotify Connect	Yes	Yes
Built-in Chromecast	Yes	Yes
Night mode	Yes	Yes
Q-Symphony	Yes	Yes
Virtual assistantKnown for one	Unknown — not stated by the source	Amazon Alexa
Wall mountableKnown for one	Unknown — not stated by the source	Yes
Country of originKnown for one	Vietnam	Unknown — not stated by the source
Technical details3 differ
Main unit dimensions (WxHxD)Differs	290 x 355 x 164 mm	1182 x 404 x 291 mm
Set weightDiffers	3.6 kg	15.3 kg
Up-firing speakersDiffers	No	Yes
Audio systemKnown for one	Dolby ATMOS	Unknown — not stated by the source
Ports & interfaces4 differ
Connectivity technology	Wired & Wireless	Wired & Wireless
Bluetooth	Yes	Yes
Bluetooth versionDiffers	6.0	5.3
Wi-Fi	Yes	Yes
HDMI ports quantityDiffers	0	2
HDMI inDiffers	0	1
Number of HDMI outputsDiffers	0	1
Digital audio optical in	1	1
Power1 differ
Soundbar power consumptionDiffers	15 W	39 W
Subwoofer power consumptionKnown for one	Unknown — not stated by the source	26 W
Power consumption (standby)	0.5 W	0.5 W
Weight & dimensions4 differ
WidthDiffers	251 mm	1110.7 mm
DepthDiffers	137 mm	120 mm
HeightDiffers	283.5 mm	60.4 mm
Soundbar weightDiffers	2.4 kg	5.1 kg
Subwoofer widthKnown for one	Unknown — not stated by the source	24.9 cm
Subwoofer depthKnown for one	Unknown — not stated by the source	24.9 cm
Subwoofer heightKnown for one	Unknown — not stated by the source	25.2 cm
Subwoofer weightKnown for one	Unknown — not stated by the source	7.2 kg
WeightKnown for one	2.4 kg	Unknown — not stated by the source
Packaging content1 differ
Wall mounting kitKnown for one	Unknown — not stated by the source	Yes
Remote control includedDiffers	No	Yes
Brand-specific featuresidentical
Samsung technologies (AV/TV)	Adaptive Sound, Voice Enhancement Mode, Q-Symphony, SmartThings, Works With Google Assistant, SpaceFit Sound Pro, Active Voice Amplifier Pro	Adaptive Sound, Voice Enhancement Mode, Q-Symphony, SmartThings, Works With Google Assistant, SpaceFit Sound Pro, Active Voice Amplifier Pro
Packaging data4 differ
Package widthDiffers	290 mm	1182 mm
Package depthDiffers	164 mm	291 mm
Package heightDiffers	355 mm	404 mm
Package weightDiffers	3.6 kg	15.3 kg
Other featuresidentical
AirPlay	Yes	Yes

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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