Product comparison · 2 home cinema systems

LG LHB645 home cinema system 5.1 channels vs LG LHD687 home cinema system 4.2 channels

21specifications compared
14differ
7identical
43known for one product only

Key differences

The LG LHB645 home cinema system 5.1 channels has 0.9 channels more audio output channels than the LG LHD687 home cinema system 4.2 channels (5.1 channels vs 4.2 channels). The LG LHD687 home cinema system 4.2 channels has 250 W more RMS rated power than the LG LHB645 home cinema system 5.1 channels (1250 W vs 1000 W). The LG LHD687 home cinema system 4.2 channels has 15 W more power consumption (typical) than the LG LHB645 home cinema system 5.1 channels (145 W vs 130 W). Only the LG LHB645 home cinema system 5.1 channels has 3D. Only the LG LHB645 home cinema system 5.1 channels has Ethernet LAN.

Optical disc player type
- LHB645 home cinema system 5.1 channels:Blu-Ray player
- LHD687 home cinema system 4.2 channels:DVD player
3D
- LHB645 home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Audio output channels
- LHB645 home cinema system 5.1 channels:5.1 channels
- LHD687 home cinema system 4.2 channels:4.2 channels
RMS rated power
- LHB645 home cinema system 5.1 channels:1000 W
- LHD687 home cinema system 4.2 channels:1250 W
Ethernet LAN
- LHB645 home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Wi-Fi
- LHB645 home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Power consumption (typical)
- LHB645 home cinema system 5.1 channels:130 W
- LHD687 home cinema system 4.2 channels:145 W
Main unit dimensions (WxDxH)
- LHB645 home cinema system 5.1 channels:360 x 299 x 60.5 mm
- LHD687 home cinema system 4.2 channels:360 x 58 x 298.5 mm

Side by side

Differences highlightedShow differences only

Comparison of LHB645, LHD687
64 specifications	A LG LHB645 home cinema system 5.1 channels Model LHB645 View product	B LG LHD687 home cinema system 4.2 channels Model LHD687 View product
Optical drive3 differ
Optical disc player typeDiffers	Blu-Ray player	DVD player
Disc types supportedDiffers	BD, BD-RE, CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
Playback disc formatsDiffers	Blu-Ray audio, Blu-Ray video, CD audio, CD video	MP3
Video2 differ
3DDiffers	Yes	No
Video formats supportedDiffers	3GP, AVCHD, FLV, H.264, M4V, MKV, MOV, MP4, MPEG2, MPEG4, VOB, WMV, XVID	MPEG, MPEG1, MPEG2, XVID
Full HDKnown for one	Yes	Unknown — not stated by the source
Video upscaling	Yes	Yes
Video D/A Converter (DAC)Known for one	Unknown — not stated by the source	12-bit/148MHz
Analog signal format systemKnown for one	Unknown — not stated by the source	NTSC, PAL
Audio3 differ
Audio output channelsDiffers	5.1 channels	4.2 channels
RMS rated powerDiffers	1000 W	1250 W
Audio decodersDiffers	Dolby Digital, Dolby TrueHD, DTS	Dolby Digital
Audio formats supportedKnown for one	Unknown — not stated by the source	LPCM
Total Harmonic Distortion (THD)Known for one	Unknown — not stated by the source	25%
Radioidentical
FM radio	Yes	Yes
Supported radio bandsKnown for one	Unknown — not stated by the source	PLL
Preset stations quantityKnown for one	Unknown — not stated by the source	50
Satellite speakersidentical
Wireless satellite speakersKnown for one	No	Unknown — not stated by the source
Subwooferidentical
Subwoofer RMS powerKnown for one	167 W	Unknown — not stated by the source
Wireless subwooferKnown for one	No	Unknown — not stated by the source
Network2 differ
Bluetooth	Yes	Yes
Ethernet LANDiffers	Yes	No
Wi-FiDiffers	Yes	No
Management featuresidentical
Sleep timerKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
HDMI inKnown for one	1	Unknown — not stated by the source
Number of HDMI outputsKnown for one	1	Unknown — not stated by the source
SCART ports quantityKnown for one	0	Unknown — not stated by the source
USB ports quantity	1	1
USB versionKnown for one	2.0	Unknown — not stated by the source
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) in	1	1
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 in	1	1
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
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power consumption (typical)Differs	130 W	145 W
Power consumption (standby)Known for one	0.5 W	Unknown — not stated by the source
Weight & dimensions2 differ
Main unit dimensions (WxDxH)Differs	360 x 299 x 60.5 mm	360 x 58 x 298.5 mm
Front speaker dimensions (WxDxH)Differs	290 x 290 x 1100 mm	233 x 998 x 300 mm
Center speaker dimensions (WxDxH)Known for one	220 x 97.2 x 98.5 mm	Unknown — not stated by the source
Satellite speaker dimensions (WxDxH)Known for one	100.5 x 97 x 142 mm	Unknown — not stated by the source
Subwoofer dimensions (W x D x H)Known for one	172 x 261 x 391 mm	Unknown — not stated by the source
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
Packaging contentidentical
Remote control includedKnown for one	Yes	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
Technical details1 differ
Product colour	Black	Black
KaraokeDiffers	No	Yes
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source
USB direct playbackKnown for one	Unknown — not stated by the source	Yes
Equalizer modesKnown for one	Unknown — not stated by the source	Bass Blast, Standart
Front speakersidentical
Front speaker sensitivityKnown for one	Unknown — not stated by the source	82 dB
Front speaker impedanceKnown for one	Unknown — not stated by the source	3 Ω
Front speaker woofer diameter (imperial)Known for one	Unknown — not stated by the source	7.62 cm (3")
Displayidentical
Built-in displayKnown for one	Unknown — not stated by the source	Yes
Display resolutionKnown for one	Unknown — not stated by the source	1920 x 1080 pixels

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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