Product comparison · 2 home cinema systems

LG LHB755W home cinema system 5.1 channels vs LG LHD687 home cinema system 4.2 channels

21specifications compared
14differ
7identical
49known for one product only

Key differences

The LG LHB755W 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 50 W more RMS rated power than the LG LHB755W home cinema system 5.1 channels (1250 W vs 1200 W). The LG LHD687 home cinema system 4.2 channels has 1 more digital audio optical in than the LG LHB755W home cinema system 5.1 channels (1 vs 0). Only the LG LHB755W home cinema system 5.1 channels has 3D. Only the LG LHB755W home cinema system 5.1 channels has Ethernet LAN.

Optical disc player type
- LHB755W home cinema system 5.1 channels:Blu-Ray player
- LHD687 home cinema system 4.2 channels:DVD player
3D
- LHB755W home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Audio output channels
- LHB755W home cinema system 5.1 channels:5.1 channels
- LHD687 home cinema system 4.2 channels:4.2 channels
RMS rated power
- LHB755W home cinema system 5.1 channels:1200 W
- LHD687 home cinema system 4.2 channels:1250 W
Audio formats supported
- LHB755W home cinema system 5.1 channels:AAC, FLAC, MP3
- LHD687 home cinema system 4.2 channels:LPCM
Ethernet LAN
- LHB755W home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Wi-Fi
- LHB755W home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Digital audio optical in
- LHB755W home cinema system 5.1 channels:0
- LHD687 home cinema system 4.2 channels:1

Side by side

Differences highlightedShow differences only

Comparison of LHB755W, LHD687
70 specifications	A LG LHB755W home cinema system 5.1 channels Model LHB755W 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-R, 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	AVI, DIVX HD, FLV, H.264, MKV, MOV, MP4, MPEG2, TS, VOB, WMV	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
Audio4 differ
Audio output channelsDiffers	5.1 channels	4.2 channels
RMS rated powerDiffers	1200 W	1250 W
Audio decodersDiffers	Dolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS, DTS-HD HR, DTS-HD Master Audio	Dolby Digital
Audio formats supportedDiffers	AAC, FLAC, MP3	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
Front speakersidentical
Front speaker typeKnown for one	2-way	Unknown — not stated by the source
Front speakers RMS powerKnown for one	388 W	Unknown — not stated by the source
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")
Center speakeridentical
Center speaker typeKnown for one	2-way	Unknown — not stated by the source
Center speaker RMS powerKnown for one	194 W	Unknown — not stated by the source
Satellite speakersidentical
Satellite speaker typeKnown for one	2-way	Unknown — not stated by the source
Satellite speakers RMS powerKnown for one	388 W	Unknown — not stated by the source
Wireless satellite speakersKnown for one	No	Unknown — not stated by the source
Subwooferidentical
Subwoofer RMS powerKnown for one	230 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
Ports & interfaces1 differ
HDMI inKnown for one	2	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
AUX inKnown for one	Yes	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 inDiffers	0	1
Digital audio optical outKnown 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
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Audio (L/R) inKnown for one	Unknown — not stated by the source	1
Microphone inKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
Main unit dimensions (WxDxH)Differs	410 x 260 x 55 mm	360 x 58 x 298.5 mm
Front speaker dimensions (WxDxH)Differs	290 x 290 x 1150 mm	233 x 998 x 300 mm
Center speaker dimensions (WxDxH)Known for one	344 x 87 x 86 mm	Unknown — not stated by the source
Satellite speaker dimensions (WxDxH)Known for one	290 x 290 x 1150 mm	Unknown — not stated by the source
Subwoofer dimensions (W x D x H)Known for one	191 x 318 x 389 mm	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	HDMI	Unknown — not stated by the source
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
Deep colour supportKnown for one	Yes	Unknown — not stated by the source
Image formats supportedKnown for one	GIF, JPG, JPS, MPO, PNG	Unknown — not stated by the source
x.v.Color supportKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Product colour	Black	Black
Karaoke	Yes	Yes
USB direct playback	Yes	Yes
Equalizer modesKnown for one	Unknown — not stated by the source	Bass Blast, Standart
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
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	145 W

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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