Product comparison · 2 soundbar speakers

LG SJ3 soundbar speaker Black 2.1 channels vs LG SJ7 soundbar speaker Black 4.1 channels

29specifications compared
9differ
20identical
35known for one product only

Key differences

Audio output channels
- SJ3 soundbar speaker Black 2.1 channels:2.1 channels
- SJ7 soundbar speaker Black 4.1 channels:4.1 channels
RMS rated power
- SJ3 soundbar speaker Black 2.1 channels:300 W
- SJ7 soundbar speaker Black 4.1 channels:320 W
Soundbar speaker RMS power
- SJ3 soundbar speaker Black 2.1 channels:100 W
- SJ7 soundbar speaker Black 4.1 channels:320 W
Audio formats supported
- SJ3 soundbar speaker Black 2.1 channels:LPCM, MP3, WMA
- SJ7 soundbar speaker Black 4.1 channels:LPCM
Wall mountable
- SJ3 soundbar speaker Black 2.1 channels:Yes
- SJ7 soundbar speaker Black 4.1 channels:No
HDMI ports quantity
- SJ3 soundbar speaker Black 2.1 channels:0
- SJ7 soundbar speaker Black 4.1 channels:2
Width
- SJ3 soundbar speaker Black 2.1 channels:950 mm
- SJ7 soundbar speaker Black 4.1 channels:340 mm
Depth
- SJ3 soundbar speaker Black 2.1 channels:47 mm
- SJ7 soundbar speaker Black 4.1 channels:109 mm

Side by side

Differences highlightedShow differences only

Comparison of SJ3, SJ7
64 specifications	A LG SJ3 soundbar speaker Black 2.1 channels Model SJ3 View product	B LG SJ7 soundbar speaker Black 4.1 channels Model SJ7 View product
Audio2 differ
Audio output channelsDiffers	2.1 channels	4.1 channels
RMS rated powerDiffers	300 W	320 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	320 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 driversKnown for one	2	Unknown — not stated by the source
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
Subwooferidentical
Subwoofer included	Yes	Yes
Subwoofer connectivity	Wireless	Wireless
Subwoofer RMS power	200 W	200 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
Features2 differ
Product colour	Black	Black
FM radio	No	No
Audio formats supportedDiffers	LPCM, MP3, WMA	LPCM
Night modeKnown for one	Yes	Unknown — not stated by the source
Wall mountableDiffers	Yes	No
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Recommended usageKnown for one	Unknown — not stated by the source	Universal
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
PortableKnown for one	Unknown — not stated by the source	Yes
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
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	1.4
Digital audio coaxial inKnown for one	Unknown — not stated by the source	0
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Poweridentical
AC input voltage	100-240 V	100-240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Power consumption (typical)Known for one	27 W	Unknown — not stated by the source
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
Weight & dimensions3 differ
WidthDiffers	950 mm	340 mm
DepthDiffers	47 mm	109 mm
HeightDiffers	71 mm	74 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 included	Yes	Yes
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
Packaging dataidentical
Package widthKnown for one	1005 mm	Unknown — not stated by the source
Package depthKnown for one	223 mm	Unknown — not stated by the source
Package heightKnown for one	373 mm	Unknown — not stated by the source
Package weightKnown for one	9.5 kg	Unknown — not stated by the source
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.

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