Product comparison · 2 home cinema systems

LG LHB645N home cinema system 5.1 channels vs LG LHD687 home cinema system 4.2 channels

16specifications compared
11differ
5identical
50known for one product only

Key differences

The LG LHB645N 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 LHB645N home cinema system 5.1 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 LHB645N home cinema system 5.1 channels (145 W vs 120 W). Only the LG LHB645N home cinema system 5.1 channels has 3D. Only the LG LHD687 home cinema system 4.2 channels has Bluetooth.

Optical disc player type
- LHB645N home cinema system 5.1 channels:Blu-Ray player
- LHD687 home cinema system 4.2 channels:DVD player
3D
- LHB645N home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Audio output channels
- LHB645N home cinema system 5.1 channels:5.1 channels
- LHD687 home cinema system 4.2 channels:4.2 channels
RMS rated power
- LHB645N home cinema system 5.1 channels:1000 W
- LHD687 home cinema system 4.2 channels:1250 W
Bluetooth
- LHB645N home cinema system 5.1 channels:No
- LHD687 home cinema system 4.2 channels:Yes
Ethernet LAN
- LHB645N home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Power consumption (typical)
- LHB645N home cinema system 5.1 channels:120 W
- LHD687 home cinema system 4.2 channels:145 W
Main unit dimensions (WxDxH)
- LHB645N home cinema system 5.1 channels:360 x 299 x 61 mm
- LHD687 home cinema system 4.2 channels:360 x 58 x 298.5 mm

Side by side

Differences highlightedShow differences only

Comparison of LHB645N, LHD687
66 specifications	A LG LHB645N home cinema system 5.1 channels Model LHB645N 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, 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
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, MPEG1, MPEG2, MPEG4, VC-1, VOB, WMV	MPEG, MPEG1, MPEG2, XVID
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
Video upscalingKnown for one	Unknown — not stated by the source	Yes
Audio3 differ
Audio output channelsDiffers	5.1 channels	4.2 channels
RMS rated powerDiffers	1000 W	1250 W
Audio decodersDiffers	DTS-HD Master Audio, Dolby Digital, Dolby Digital Plus, Dolby TrueHD	Dolby Digital
Audio Return Channel (ARC)Known for one	Yes	Unknown — not stated by the source
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
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 speakers RMS powerKnown for one	334 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	334 W	Unknown — not stated by the source
Number of satellite speakersKnown for one	2	Unknown — not stated by the source
Wireless satellite speakersKnown for one	No	Unknown — not stated by the source
Subwooferidentical
Subwoofer typeKnown for one	Passive subwoofer	Unknown — not stated by the source
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
BluetoothDiffers	No	Yes
Ethernet LANDiffers	Yes	No
Near Field Communication (NFC)Known for one	No	Unknown — not stated by the source
Ports & interfacesidentical
Number of HDMI outputsKnown for one	1	Unknown — not stated by the source
USB versionKnown for one	2.0	Unknown — not stated by the source
FM antennaKnown for one	Yes	Unknown — not stated by the source
HDMI versionKnown for one	1.4	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
Power1 differ
Power consumption (typical)Differs	120 W	145 W
Power consumption (standby)Known for one	0.5 W	Unknown — not stated by the source
Weight & dimensions1 differ
Main unit dimensions (WxDxH)Differs	360 x 299 x 61 mm	360 x 58 x 298.5 mm
Main unit weightKnown for one	2.7 kg	Unknown — not stated by the source
Center speaker dimensions (WxDxH)Known for one	220 x 104 x 99 mm	Unknown — not stated by the source
Subwoofer dimensions (W x D x H)Known for one	172 x 391 x 261 mm	Unknown — not stated by the source
Front speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	233 x 998 x 300 mm
Packaging dataidentical
Package widthKnown for one	742 mm	Unknown — not stated by the source
Package depthKnown for one	368 mm	Unknown — not stated by the source
Package heightKnown for one	458 mm	Unknown — not stated by the source
Packaging contentidentical
Batteries includedKnown for one	Yes	Unknown — not stated by the source
Remote control includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Deep colour supportKnown for one	Yes	Unknown — not stated by the source
MiracastKnown for one	No	Unknown — not stated by the source
Package weightKnown for one	18200 kg	Unknown — not stated by the source
Smartphone/tablet remote supportKnown for one	Yes	Unknown — not stated by the source
x.v.Color supportKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source
Sleep modeKnown for one	Yes	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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