Product comparison · 2 soundbar speakers

LG SJ4 soundbar speaker Black 2.1 channels vs LG SJ7 soundbar speaker Black 4.1 channels

35specifications compared
10differ
25identical
31known for one product only

Key differences

Audio output channels
- SJ4 soundbar speaker Black 2.1 channels:2.1 channels
- SJ7 soundbar speaker Black 4.1 channels:4.1 channels
RMS rated power
- SJ4 soundbar speaker Black 2.1 channels:300 W
- SJ7 soundbar speaker Black 4.1 channels:320 W
Soundbar speaker RMS power
- SJ4 soundbar speaker Black 2.1 channels:120 W
- SJ7 soundbar speaker Black 4.1 channels:320 W
Subwoofer RMS power
- SJ4 soundbar speaker Black 2.1 channels:180 W
- SJ7 soundbar speaker Black 4.1 channels:200 W
Wall mountable
- SJ4 soundbar speaker Black 2.1 channels:Yes
- SJ7 soundbar speaker Black 4.1 channels:No
HDMI ports quantity
- SJ4 soundbar speaker Black 2.1 channels:1
- SJ7 soundbar speaker Black 4.1 channels:2
Width
- SJ4 soundbar speaker Black 2.1 channels:890 mm
- SJ7 soundbar speaker Black 4.1 channels:340 mm
Depth
- SJ4 soundbar speaker Black 2.1 channels:85 mm
- SJ7 soundbar speaker Black 4.1 channels:109 mm

Side by side

Differences highlightedShow differences only

Comparison of SJ4, SJ7
66 specifications	A LG SJ4 soundbar speaker Black 2.1 channels Model SJ4 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)	Yes	Yes
Soundbar speaker1 differ
Soundbar speaker RMS powerDiffers	120 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
Number of tweeter driversKnown for one	2	Unknown — not stated by the source
Tweeter impedanceKnown for one	4 Ω	Unknown — not stated by the source
Tweeter diameterKnown for one	2 cm	Unknown — not stated by the source
Subwoofer1 differ
Subwoofer included	Yes	Yes
Subwoofer type	Active subwoofer	Active subwoofer
Subwoofer RMS powerDiffers	180 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 connectivityKnown for one	Unknown — not stated by the source	Wireless
Features2 differ
Product colour	Black	Black
FM radio	No	No
Audio formats supportedDiffers	FLAC, LPCM, MP3, OGG, WAV, WMA	LPCM
Consumer Electronics Control (CEC)Known for one	SimpLink	Unknown — not stated by the source
Night modeKnown for one	Yes	Unknown — not stated by the source
Wall mountableDiffers	Yes	No
TV stand usage	No	No
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Recommended usageKnown for one	Unknown — not stated by the source	Universal
Ports & interfaces1 differ
Connectivity technology	Wired & Wireless	Wired & Wireless
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
HDMI ports quantityDiffers	1	2
HDMI version	1.4	1.4
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Digital audio coaxial in	0	0
Digital audio optical in	1	1
Headphone outputsKnown for one	1	Unknown — not stated by the source
DC-in jack	Yes	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
Poweridentical
AC input voltage	100-240 V	100-240 V
AC input frequency	50 - 60 Hz	50 - 60 Hz
Subwoofer power consumptionKnown for one	33 W	Unknown — not stated by the source
Power consumption (typical)Known for one	22 W	Unknown — not stated by the source
Power consumption (standby)	0.5 W	0.5 W
Weight & dimensions3 differ
WidthDiffers	890 mm	340 mm
DepthDiffers	85 mm	109 mm
HeightDiffers	55 mm	74 mm
Soundbar weightKnown for one	2.4 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
Mounting brackets includedKnown for one	Yes	Unknown — not stated by the source
Remote control included	Yes	Yes
Batteries included	Yes	Yes
Quick start guideKnown for one	Yes	Unknown — not stated by the source
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	946 mm	Unknown — not stated by the source
Package depthKnown for one	373 mm	Unknown — not stated by the source
Package heightKnown for one	223 mm	Unknown — not stated by the source
Package weightKnown for one	8.8 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
Technical detailsidentical
PortableKnown for one	Unknown — not stated by the source	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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