Product comparison · 2 home cinema systems

LG LHB645 home cinema system 5.1 channels vs Yamaha YHT-2940 home cinema system 5.1 channels 3D Black

28specifications compared
13differ
15identical
41known for one product only

Key differences

The LG LHB645 home cinema system 5.1 channels has 137 W more subwoofer RMS power than the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black (167 W vs 30 W). The Yamaha YHT-2940 home cinema system 5.1 channels 3D Black has 3 more HDMI in than the LG LHB645 home cinema system 5.1 channels (4 vs 1). The Yamaha YHT-2940 home cinema system 5.1 channels 3D Black has 2 more digital audio coaxial in than the LG LHB645 home cinema system 5.1 channels (2 vs 0). Only the LG LHB645 home cinema system 5.1 channels has Ethernet LAN. Optical disc player type: Blu-Ray player on the LG LHB645 home cinema system 5.1 channels, Not included on the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black.

Optical disc player type
- LHB645 home cinema system 5.1 channels:Blu-Ray player
- YHT-2940 home cinema system 5.1 channels 3D Black:Not included
Subwoofer RMS power
- LHB645 home cinema system 5.1 channels:167 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
Ethernet LAN
- LHB645 home cinema system 5.1 channels:Yes
- YHT-2940 home cinema system 5.1 channels 3D Black:No
HDMI in
- LHB645 home cinema system 5.1 channels:1
- YHT-2940 home cinema system 5.1 channels 3D Black:4
Digital audio coaxial in
- LHB645 home cinema system 5.1 channels:0
- YHT-2940 home cinema system 5.1 channels 3D Black:2
Power consumption (standby)
- LHB645 home cinema system 5.1 channels:0.5 W
- YHT-2940 home cinema system 5.1 channels 3D Black:0.3 W
Main unit dimensions (WxDxH)
- LHB645 home cinema system 5.1 channels:360 x 299 x 60.5 mm
- YHT-2940 home cinema system 5.1 channels 3D Black:435 x 315 x 151 mm
Front speaker dimensions (WxDxH)
- LHB645 home cinema system 5.1 channels:290 x 290 x 1100 mm
- YHT-2940 home cinema system 5.1 channels 3D Black:115 x 88 x 176 mm

Side by side

Differences highlightedShow differences only

Comparison of LHB645, YHT-2940
69 specifications	A LG LHB645 home cinema system 5.1 channels Model LHB645 View product	B Yamaha YHT-2940 home cinema system 5.1 channels 3D Black Model YHT-2940 View product
Optical drive2 differ
Optical disc player typeDiffers	Blu-Ray player	Not included
Disc types supportedDiffers	BD, BD-RE, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	No
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
Playback disc formatsKnown for one	Blu-Ray audio, Blu-Ray video, CD audio, CD video	Unknown — not stated by the source
Videoidentical
Video formats supportedKnown for one	3GP, AVCHD, FLV, H.264, M4V, MKV, MOV, MP4, MPEG2, MPEG4, VOB, WMV, XVID	Unknown — not stated by the source
Audio1 differ
RMS rated powerKnown for one	1000 W	Unknown — not stated by the source
Audio decodersDiffers	Dolby Digital, Dolby TrueHD, DTS	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
Radioidentical
Supported radio bandsKnown for one	Unknown — not stated by the source	AM, FM
Satellite speakersidentical
Wireless satellite speakersKnown for one	No	Unknown — not stated by the source
Satellite speakers RMS powerKnown for one	Unknown — not stated by the source	30 W
Satellite speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Subwoofer1 differ
Subwoofer RMS powerDiffers	167 W	30 W
Wireless subwooferKnown for one	No	Unknown — not stated by the source
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Subwoofer peak powerKnown for one	Unknown — not stated by the source	100 W
Network1 differ
Ethernet LANDiffers	Yes	No
Wi-FiKnown for one	Yes	Unknown — not stated by the source
Management featuresidentical
Sleep timerKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces2 differ
HDMI inDiffers	1	4
Component video (YPbPr/YCbCr) outKnown for one	0	Unknown — not stated by the source
S-Video outputs quantityKnown for one	0	Unknown — not stated by the source
Audio (L/R) inKnown for one	1	Unknown — not stated by the source
Digital audio coaxial inDiffers	0	2
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
FM antennaKnown for one	Yes	Unknown — not stated by the source
Composite video inKnown for one	Unknown — not stated by the source	3
Composite video outKnown for one	Unknown — not stated by the source	1
AUX inKnown for one	Unknown — not stated by the source	Yes
Headphone outputsKnown for one	Unknown — not stated by the source	1
Power1 differ
Power consumption (typical)Known for one	130 W	Unknown — not stated by the source
Power consumption (standby)Differs	0.5 W	0.3 W
Weight & dimensions5 differ
Main unit dimensions (WxDxH)Differs	360 x 299 x 60.5 mm	435 x 315 x 151 mm
Front speaker dimensions (WxDxH)Differs	290 x 290 x 1100 mm	115 x 88 x 176 mm
Center speaker dimensions (WxDxH)Differs	220 x 97.2 x 98.5 mm	291 x 103 x 101 mm
Satellite speaker dimensions (WxDxH)Differs	100.5 x 97 x 142 mm	115 x 88 x 176 mm
Subwoofer dimensions (W x D x H)Differs	172 x 261 x 391 mm	262 x 287 x 264 mm
Main unit weightKnown for one	Unknown — not stated by the source	7.4 kg
Packaging dataidentical
Package weightKnown for one	18.2 kg	Unknown — not stated by the source
Package dimensions (WxDxH)Known for one	741 x 368 x 456 mm	Unknown — not stated by the source
Other featuresidentical
Apple docking compatibilityKnown for one	Not supported	Unknown — not stated by the source
Built-in HDDKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
4K Ultra HD upscalingKnown for one	Unknown — not stated by the source	Yes
ImpedanceKnown for one	Unknown — not stated by the source	6 Ω
Technical detailsidentical
KaraokeKnown for one	No	Unknown — not stated by the source
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source
Power source typeKnown for one	Unknown — not stated by the source	AC
Front speakersidentical
Front speakers RMS powerKnown for one	Unknown — not stated by the source	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
Displayidentical
On Screen Display (OSD)Known 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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