Product comparison · 2 soundbar speakers

LG SJ3 soundbar speaker Black 2.1 channels vs LG SJ8 soundbar speaker Black 4.1 channels

34specifications compared
12differ
22identical
31known for one product only

Key differences

Audio output channels
- SJ3 soundbar speaker Black 2.1 channels:2.1 channels
- SJ8 soundbar speaker Black 4.1 channels:4.1 channels
Soundbar speaker RMS power
- SJ3 soundbar speaker Black 2.1 channels:100 W
- SJ8 soundbar speaker Black 4.1 channels:130 W
Subwoofer RMS power
- SJ3 soundbar speaker Black 2.1 channels:200 W
- SJ8 soundbar speaker Black 4.1 channels:170 W
HDMI ports quantity
- SJ3 soundbar speaker Black 2.1 channels:0
- SJ8 soundbar speaker Black 4.1 channels:2
Power consumption (typical)
- SJ3 soundbar speaker Black 2.1 channels:27 W
- SJ8 soundbar speaker Black 4.1 channels:22 W
Width
- SJ3 soundbar speaker Black 2.1 channels:950 mm
- SJ8 soundbar speaker Black 4.1 channels:1210 mm
Depth
- SJ3 soundbar speaker Black 2.1 channels:47 mm
- SJ8 soundbar speaker Black 4.1 channels:105 mm
Height
- SJ3 soundbar speaker Black 2.1 channels:71 mm
- SJ8 soundbar speaker Black 4.1 channels:38.1 mm

Side by side

Differences highlightedShow differences only

Comparison of SJ3, SJ8
65 specifications	A LG SJ3 soundbar speaker Black 2.1 channels Model SJ3 View product	B LG SJ8 soundbar speaker Black 4.1 channels Model SJ8 View product
Audio1 differ
Audio output channelsDiffers	2.1 channels	4.1 channels
RMS rated power	300 W	300 W
Audio decoders	DTS Digital Surround, Dolby Digital	DTS Digital Surround, Dolby Digital
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
Soundbar speaker1 differ
Soundbar speaker RMS powerDiffers	100 W	130 W
ImpedanceKnown for one	4 Ω	Unknown — not stated by the source
Signal-to-Noise Ratio (SNR)Known for one	82 dB	Unknown — not stated by the source
Total Harmonic Distortion (THD)Known for one	10%	Unknown — not stated by the source
Number of tweeter drivers	2	2
Tweeter diameterKnown for one	2 cm	Unknown — not stated by the source
Woofer diameter (imperial)Known for one	5.59 cm (2.2")	Unknown — not stated by the source
Subwoofer1 differ
Subwoofer included	Yes	Yes
Subwoofer connectivityKnown for one	Wireless	Unknown — not stated by the source
Subwoofer RMS powerDiffers	200 W	170 W
Subwoofer impedanceKnown for one	3 Ω	Unknown — not stated by the source
Subwoofer sensitivityKnown for one	85 dB	Unknown — not stated by the source
Bass reflexKnown for one	Yes	Unknown — not stated by the source
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Features1 differ
Product colour	Black	Black
FM radio	No	No
Audio formats supportedDiffers	LPCM, MP3, WMA	AAC, AAC+, AIFF, ALAC, FLAC, LPCM, MP3, OGG, WAV, WMA
Night mode	Yes	Yes
Wall mountable	Yes	Yes
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Network streaming services supportedKnown for one	Unknown — not stated by the source	Rhapsody
TV stand usageKnown for one	Unknown — not stated by the source	No
Technical detailsidentical
Maximum screen sizeKnown for one	109.2 cm (43")	Unknown — not stated by the source
Ports & interfaces1 differ
Connectivity technology	Wired & Wireless	Wired & Wireless
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
HDMI ports quantityDiffers	0	2
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Audio (L/R) inKnown for one	1	Unknown — not stated by the source
Digital audio optical in	1	1
Wi-FiKnown for one	Unknown — not stated by the source	Yes
HDMI inKnown for one	Unknown — not stated by the source	1
Number of HDMI outputsKnown for one	Unknown — not stated by the source	1
HDMI versionKnown for one	Unknown — not stated by the source	2.0
Digital audio coaxial inKnown for one	Unknown — not stated by the source	0
Power1 differ
AC input voltage	100-240 V	100-240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Power consumption (typical)Differs	27 W	22 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
Weight & dimensions3 differ
WidthDiffers	950 mm	1210 mm
DepthDiffers	47 mm	105 mm
HeightDiffers	71 mm	38.1 mm
Soundbar weightKnown for one	2.47 kg	Unknown — not stated by the source
Subwoofer width	17.1 cm	17.1 cm
Subwoofer depth	25.2 cm	25.2 cm
Subwoofer height	32 cm	32 cm
Subwoofer weight	4.2 kg	4.2 kg
Packaging contentidentical
Remote control includedKnown for one	Yes	Unknown — not stated by the source
Batteries included	Yes	Yes
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	Unknown — not stated by the source	Optical
Mounting brackets includedKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Packaging data3 differ
Package widthDiffers	1005 mm	1275 mm
Package depthDiffers	223 mm	224 mm
Package height	373 mm	373 mm
Package weightDiffers	9.5 kg	12 kg
Other featuresidentical
Subwoofer driver diameter (imperial)Known for one	15.2 cm (6")	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Apple docking compatibility	Not supported	Not supported
Docking connector type	Not supported	Not supported

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.

More soundbar speakers comparisons

All soundbar speakers comparisons