Product comparison · 2 home cinema systems

LG LHD645-DB home cinema system 5.1 channels vs Yamaha YHT-4940 home cinema system 5.1 channels 3D Black

14specifications compared
6differ
8identical
43known for one product only

Key differences

The Yamaha YHT-4940 home cinema system 5.1 channels 3D Black has 4 more HDMI in than the LG LHD645-DB home cinema system 5.1 channels (4 vs 0). Only the Yamaha YHT-4940 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: DVD player on the LG LHD645-DB home cinema system 5.1 channels, Not included on the Yamaha YHT-4940 home cinema system 5.1 channels 3D Black.

Optical disc player type
- LHD645-DB home cinema system 5.1 channels:DVD player
- YHT-4940 home cinema system 5.1 channels 3D Black:Not included
3D
- LHD645-DB home cinema system 5.1 channels:No
- YHT-4940 home cinema system 5.1 channels 3D Black:Yes
Ethernet LAN
- LHD645-DB home cinema system 5.1 channels:Yes
- YHT-4940 home cinema system 5.1 channels 3D Black:No
Wi-Fi
- LHD645-DB home cinema system 5.1 channels:No
- YHT-4940 home cinema system 5.1 channels 3D Black:Yes
HDMI in
- LHD645-DB home cinema system 5.1 channels:0
- YHT-4940 home cinema system 5.1 channels 3D Black:4

Side by side

Differences highlightedShow differences only

Comparison of LHD645-DB, YHT-4940
57 specifications	A LG LHD645-DB home cinema system 5.1 channels Model LHD645-DB View product	B Yamaha YHT-4940 home cinema system 5.1 channels 3D Black Model YHT-4940 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
Video formats supportedKnown for one	MPEG2, XVID	Unknown — not stated by the source
Full HD	Yes	Yes
Aspect ratioKnown for one	Unknown — not stated by the source	16:9
Audioidentical
Audio output channels	5.1 channels	5.1 channels
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
Audio decodersKnown for one	Unknown — not stated by the source	DTS-HD Master Audio, Dolby TrueHD
Number of speakersKnown for one	Unknown — not stated by the source	5
Radioidentical
FM radioKnown for one	Yes	Unknown — not stated by the source
Supported radio bandsKnown for one	FM	Unknown — not stated by the source
Front speakersidentical
Front speakers RMS powerKnown for one	334 W	Unknown — not stated by the source
Front speakers wall mountableKnown for one	Unknown — not stated by the source	Yes
Center speakeridentical
Center speaker RMS powerKnown for one	167 W	Unknown — not stated by the source
Satellite speakersidentical
Satellite speakers RMS powerKnown for one	334 W	Unknown — not stated by the source
Number of satellite speakersKnown for one	2	Unknown — not stated by the source
Subwooferidentical
Subwoofer RMS powerKnown for one	167 W	Unknown — not stated by the source
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Network2 differ
Bluetooth	Yes	Yes
Ethernet LANDiffers	Yes	No
Wi-FiDiffers	No	Yes
Ports & interfaces1 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
Component video (YPbPr/YCbCr) outKnown for one	0	Unknown — not stated by the source
Composite video outKnown for one	1	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 inKnown for one	0	Unknown — not stated by the source
Digital audio coaxial outKnown for one	0	Unknown — not stated by the source
Digital audio optical inKnown for one	1	Unknown — not stated by the source
Digital audio optical outKnown for one	0	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
Weight & dimensionsidentical
Main unit dimensions (WxDxH)Known for one	360 x 299 x 60.5 mm	Unknown — not stated by the source
Front speaker dimensions (WxDxH)Known for one	250 x 250 x 1100 mm	Unknown — not stated by the source
Center speaker dimensions (WxDxH)Known for one	260 x 74 x 93 mm	Unknown — not stated by the source
Satellite speaker dimensions (WxDxH)Known for one	88 x 81 x 122 mm	Unknown — not stated by the source
Subwoofer dimensions (W x D x H)Known for one	191 x 318 x 388.5 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
AirPlayKnown for one	Unknown — not stated by the source	Yes
Audio amplifierKnown for one	Unknown — not stated by the source	Yes
DisplayKnown for one	Unknown — not stated by the source	LED
iPhone connectivityKnown for one	Unknown — not stated by the source	Yes
iPod connectivityKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Product colour	Black	Black
Digital Living Network Alliance (DLNA) certifiedKnown for one	Unknown — not stated by the source	Yes
Power source typeKnown for one	Unknown — not stated by the source	AC
Displayidentical
Built-in displayKnown 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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