Product comparison · 2 home cinema systems

LG ARX8 home cinema system 4.2 channels vs Yamaha YHT-2940 home cinema system 5.1 channels 3D Black

22specifications compared
11differ
11identical
39known for one product only

Key differences

The Yamaha YHT-2940 home cinema system 5.1 channels 3D Black has 0.9 channels more audio output channels than the LG ARX8 home cinema system 4.2 channels (5.1 channels vs 4.2 channels). The LG ARX8 home cinema system 4.2 channels has 490 W more front speakers RMS power than the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black (520 W vs 30 W). The LG ARX8 home cinema system 4.2 channels has 490 W more satellite speakers RMS power than the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black (520 W vs 30 W). Only the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black has 3D. Main unit dimensions (WxDxH): 430 x 368 x 146.5 mm on the LG ARX8 home cinema system 4.2 channels, 435 x 315 x 151 mm on the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black.

3D
- ARX8 home cinema system 4.2 channels:No
- YHT-2940 home cinema system 5.1 channels 3D Black:Yes
Audio output channels
- ARX8 home cinema system 4.2 channels:4.2 channels
- YHT-2940 home cinema system 5.1 channels 3D Black:5.1 channels
Front speakers RMS power
- ARX8 home cinema system 4.2 channels:520 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
Satellite speakers RMS power
- ARX8 home cinema system 4.2 channels:520 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
Subwoofer RMS power
- ARX8 home cinema system 4.2 channels:560 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
HDMI in
- ARX8 home cinema system 4.2 channels:3
- YHT-2940 home cinema system 5.1 channels 3D Black:4
Number of HDMI outputs
- ARX8 home cinema system 4.2 channels:3
- YHT-2940 home cinema system 5.1 channels 3D Black:1
Composite video in
- ARX8 home cinema system 4.2 channels:1
- YHT-2940 home cinema system 5.1 channels 3D Black:3

Side by side

Differences highlightedShow differences only

Comparison of ARX8, YHT-2940
61 specifications	A LG ARX8 home cinema system 4.2 channels Model ARX8 View product	B Yamaha YHT-2940 home cinema system 5.1 channels 3D Black Model YHT-2940 View product
Video1 differ
3DDiffers	No	Yes
Full HDKnown for one	Unknown — not stated by the source	Yes
Video upscalingKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio output channelsDiffers	4.2 channels	5.1 channels
Audio decodersKnown for one	Unknown — not stated by the source	DTS-HD Master Audio, Dolby Digital Plus, Dolby TrueHD
Audio D/A Converter (DAC)Known for one	Unknown — not stated by the source	24-bit/192kHz
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
RMS rated powerKnown for one	1600 W	Unknown — not stated by the source
Radioidentical
Supported radio bandsKnown for one	Unknown — not stated by the source	AM, FM
Front speakers1 differ
Front speakers RMS powerDiffers	520 W	30 W
Front speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Center speakeridentical
Center speaker RMS powerKnown for one	Unknown — not stated by the source	30 W
Center speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Satellite speakers1 differ
Satellite speakers RMS powerDiffers	520 W	30 W
Satellite speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Wireless satellite speakersKnown for one	Yes	Unknown — not stated by the source
Subwoofer1 differ
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Subwoofer RMS powerDiffers	560 W	30 W
Subwoofer peak powerKnown for one	Unknown — not stated by the source	100 W
Wireless subwooferKnown for one	Yes	Unknown — not stated by the source
Networkidentical
Wi-FiKnown for one	No	Unknown — not stated by the source
Ports & interfaces3 differ
HDMI inDiffers	3	4
Number of HDMI outputsDiffers	3	1
Composite video inDiffers	1	3
AUX inKnown for one	Unknown — not stated by the source	Yes
Digital audio coaxial inKnown for one	Unknown — not stated by the source	2
Digital audio coaxial outKnown for one	Unknown — not stated by the source	0
Digital audio optical inKnown for one	Unknown — not stated by the source	1
Digital audio optical outKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
Component video (YPbPr/YCbCr) outKnown for one	0	Unknown — not stated by the source
FM antennaKnown for one	Yes	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Displayidentical
On Screen Display (OSD)Known for one	Unknown — not stated by the source	Yes
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.3 W
Weight & dimensions3 differ
Main unit dimensions (WxDxH)Differs	430 x 368 x 146.5 mm	435 x 315 x 151 mm
Main unit weightKnown for one	Unknown — not stated by the source	7.4 kg
Front speaker dimensions (WxDxH)Differs	274 x 277 x 941 mm	115 x 88 x 176 mm
Center speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	291 x 103 x 101 mm
Satellite speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	115 x 88 x 176 mm
Subwoofer dimensions (W x D x H)Differs	300 x 334 x 680 mm	262 x 287 x 264 mm
Packaging contentidentical
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	HDMI	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
4K Ultra HD upscalingKnown for one	Unknown — not stated by the source	Yes
ImpedanceKnown for one	Unknown — not stated by the source	6 Ω
Apple dockingKnown for one	No	Unknown — not stated by the source
Technical detailsidentical
Power source typeKnown for one	Unknown — not stated by the source	AC
KaraokeKnown for one	No	Unknown — not stated by the source
USB direct playbackKnown for one	Yes	Unknown — not stated by the source

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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