Product comparison · 2 home cinema systems

LG LHA755 home cinema system 5.0 channels vs LG LHD687 home cinema system 4.2 channels

24specifications compared
13differ
11identical
47known for one product only

Key differences

The LG LHA755 home cinema system 5.0 channels has 0.8 channels more audio output channels than the LG LHD687 home cinema system 4.2 channels (5.0 channels vs 4.2 channels). The LG LHD687 home cinema system 4.2 channels has 250 W more RMS rated power than the LG LHA755 home cinema system 5.0 channels (1250 W vs 1000 W). The LG LHD687 home cinema system 4.2 channels has 25 W more power consumption (typical) than the LG LHA755 home cinema system 5.0 channels (145 W vs 120 W). Only the LG LHA755 home cinema system 5.0 channels has 3D. Only the LG LHA755 home cinema system 5.0 channels has Ethernet LAN.

Optical disc player type
- LHA755 home cinema system 5.0 channels:Blu-Ray player
- LHD687 home cinema system 4.2 channels:DVD player
3D
- LHA755 home cinema system 5.0 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Audio output channels
- LHA755 home cinema system 5.0 channels:5.0 channels
- LHD687 home cinema system 4.2 channels:4.2 channels
RMS rated power
- LHA755 home cinema system 5.0 channels:1000 W
- LHD687 home cinema system 4.2 channels:1250 W
Audio formats supported
- LHA755 home cinema system 5.0 channels:AAC, FLAC, LPCM, WMA
- LHD687 home cinema system 4.2 channels:LPCM
Supported radio bands
- LHA755 home cinema system 5.0 channels:FM
- LHD687 home cinema system 4.2 channels:PLL
Ethernet LAN
- LHA755 home cinema system 5.0 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Power consumption (typical)
- LHA755 home cinema system 5.0 channels:120 W
- LHD687 home cinema system 4.2 channels:145 W

Side by side

Differences highlightedShow differences only

Comparison of LHA755, LHD687
71 specifications	A LG LHA755 home cinema system 5.0 channels Model LHA755 View product	B LG LHD687 home cinema system 4.2 channels Model LHD687 View product
Optical drive2 differ
Optical disc player typeDiffers	Blu-Ray player	DVD player
Disc types supportedDiffers	BD-R, BD-RE, BD-ROM, CD-DA, 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 formatsKnown for one	Unknown — not stated by the source	MP3
Video2 differ
3DDiffers	Yes	No
Video formats supportedDiffers	3GP, AVC, AVCHD, FLV, H.264, M4V, MKV, MOV, MP4, MPEG4, VC-1, VOB, WMV	MPEG, MPEG1, MPEG2, XVID
Video D/A Converter (DAC)	12-bit/148MHz	12-bit/148MHz
Analog signal format system	NTSC, PAL	NTSC, PAL
Video upscaling	Yes	Yes
Audio4 differ
Audio output channelsDiffers	5.0 channels	4.2 channels
RMS rated powerDiffers	1000 W	1250 W
Audio decodersDiffers	DTS, DTS-HD Master Audio, Dolby Digital, Dolby Digital Plus, Dolby TrueHD	Dolby Digital
Audio formats supportedDiffers	AAC, FLAC, LPCM, WMA	LPCM
EqualizerKnown for one	Yes	Unknown — not stated by the source
Audio Return Channel (ARC)Known for one	Yes	Unknown — not stated by the source
Total Harmonic Distortion (THD)Known for one	Unknown — not stated by the source	25%
Radio1 differ
FM radio	Yes	Yes
Supported radio bandsDiffers	FM	PLL
Radio Data System (RDS)Known for one	Yes	Unknown — not stated by the source
Preset stations quantity	50	50
Front speakersidentical
Front speakers RMS powerKnown for one	167 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 RMS powerKnown for one	167 W	Unknown — not stated by the source
Satellite speakersidentical
Satellite speakers RMS powerKnown for one	167 W	Unknown — not stated by the source
Subwooferidentical
Subwoofer RMS powerKnown for one	165 W	Unknown — not stated by the source
Network1 differ
Bluetooth	Yes	Yes
Ethernet LANDiffers	Yes	No
Wi-Fi	No	No
Management featuresidentical
Sleep timerKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
Number of HDMI outputsKnown for one	1	Unknown — not stated by the source
USB ports quantity	1	1
USB versionKnown for one	2.0	Unknown — not stated by the source
Audio (L/R) in	1	1
Digital audio optical in	1	1
Ethernet LAN (RJ-45) portsKnown for one	1	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	120 W	145 W
AC input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC input voltageKnown for one	200-240 V	Unknown — not stated by the source
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 297 x 59 mm	360 x 58 x 298.5 mm
Main unit weightKnown for one	2.6 kg	Unknown — not stated by the source
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 92 x 100 mm	Unknown — not stated by the source
Satellite speaker dimensions (WxDxH)Known for one	290 x 290 x 1100 mm	Unknown — not stated by the source
Subwoofer dimensions (W x D x H)Known for one	172 x 261 x 371 mm	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	981 mm	Unknown — not stated by the source
Package depthKnown for one	322 mm	Unknown — not stated by the source
Package heightKnown for one	456 mm	Unknown — not stated by the source
Packaging contentidentical
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Quick installation guideKnown for one	Yes	Unknown — not stated by the source
Remote control includedKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Deep colour supportKnown for one	Yes	Unknown — not stated by the source
Image formats supportedKnown for one	GIF, JPEG XR, PNG	Unknown — not stated by the source
MiracastKnown for one	Yes	Unknown — not stated by the source
Package weightKnown for one	24300 kg	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
BD-LiveKnown for one	Yes	Unknown — not stated by the source
Child lockKnown for one	Yes	Unknown — not stated by the source
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source
Playback modesKnown for one	Shuffle, Slow	Unknown — not stated by the source
KaraokeKnown for one	Unknown — not stated by the source	Yes
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
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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