Product comparison · 2 home cinema systems

LG LHD645-DB home cinema system 5.1 channels vs Yamaha YHT-2940 home cinema system 5.1 channels 3D Black

29specifications compared
16differ
13identical
34known for one product only

Key differences

The LG LHD645-DB home cinema system 5.1 channels has 304 W more front speakers RMS power than the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black (334 W vs 30 W). The LG LHD645-DB home cinema system 5.1 channels has 137 W more center speaker RMS power than the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black (167 W vs 30 W). The LG LHD645-DB home cinema system 5.1 channels has 304 W more satellite speakers RMS power than the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black (334 W vs 30 W). Only the Yamaha YHT-2940 home cinema system 5.1 channels 3D Black has 3D. Only the LG LHD645-DB home cinema system 5.1 channels has Ethernet LAN.

Optical disc player type
- LHD645-DB home cinema system 5.1 channels:DVD player
- YHT-2940 home cinema system 5.1 channels 3D Black:Not included
3D
- LHD645-DB home cinema system 5.1 channels:No
- YHT-2940 home cinema system 5.1 channels 3D Black:Yes
Supported radio bands
- LHD645-DB home cinema system 5.1 channels:FM
- YHT-2940 home cinema system 5.1 channels 3D Black:AM, FM
Front speakers RMS power
- LHD645-DB home cinema system 5.1 channels:334 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
Center speaker RMS power
- LHD645-DB home cinema system 5.1 channels:167 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
Satellite speakers RMS power
- LHD645-DB home cinema system 5.1 channels:334 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
Subwoofer RMS power
- LHD645-DB home cinema system 5.1 channels:167 W
- YHT-2940 home cinema system 5.1 channels 3D Black:30 W
Ethernet LAN
- LHD645-DB home cinema system 5.1 channels:Yes
- YHT-2940 home cinema system 5.1 channels 3D Black:No

Side by side

Differences highlightedShow differences only

Comparison of LHD645-DB, YHT-2940
63 specifications	A LG LHD645-DB home cinema system 5.1 channels Model LHD645-DB 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	DVD player	Not included
Disc types supportedDiffers	CD, CD-R, CD-RW, DVD, 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	CD audio, CD video, SVCD, VCD	Unknown — not stated by the source
Video1 differ
3DDiffers	No	Yes
Full HD	Yes	Yes
Video upscalingKnown for one	Unknown — not stated by the source	Yes
Video formats supportedKnown for one	MPEG2, XVID	Unknown — not stated by the source
Audioidentical
Audio output channels	5.1 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	1000 W	Unknown — not stated by the source
Audio formats supportedKnown for one	MP3, WMA	Unknown — not stated by the source
Radio1 differ
FM radio	Yes	Yes
Supported radio bandsDiffers	FM	AM, FM
Front speakers1 differ
Front speakers RMS powerDiffers	334 W	30 W
Front speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Center speaker1 differ
Center speaker RMS powerDiffers	167 W	30 W
Center speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Satellite speakers1 differ
Satellite speakers RMS powerDiffers	334 W	30 W
Satellite speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Number of satellite speakersKnown for one	2	Unknown — not stated by the source
Subwoofer1 differ
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Subwoofer RMS powerDiffers	167 W	30 W
Subwoofer peak powerKnown for one	Unknown — not stated by the source	100 W
Network1 differ
Bluetooth	Yes	Yes
Ethernet LANDiffers	Yes	No
Wi-FiKnown for one	No	Unknown — not stated by the source
Ports & interfaces2 differ
HDMI inDiffers	0	4
Number of HDMI outputs	1	1
SCART ports quantity	0	0
USB ports quantity	1	1
USB version	2.0	2.0
Composite video inKnown for one	Unknown — not stated by the source	3
Composite video out	1	1
AUX inKnown for one	Unknown — not stated by the source	Yes
Digital audio coaxial inDiffers	0	2
Digital audio coaxial out	0	0
Digital audio optical in	1	1
Digital audio optical out	0	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
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
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
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 & dimensions5 differ
Main unit dimensions (WxDxH)Differs	360 x 299 x 60.5 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	250 x 250 x 1100 mm	115 x 88 x 176 mm
Center speaker dimensions (WxDxH)Differs	260 x 74 x 93 mm	291 x 103 x 101 mm
Satellite speaker dimensions (WxDxH)Differs	88 x 81 x 122 mm	115 x 88 x 176 mm
Subwoofer dimensions (W x D x H)Differs	191 x 318 x 388.5 mm	262 x 287 x 264 mm
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	Yes
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 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
Technical detailsidentical
Product colour	Black	Black
Power source typeKnown for one	Unknown — not stated by the source	AC

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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