Product comparison · 2 home cinema systems

LG LHB655NW home cinema system 5.1 channels vs LG LHD687 home cinema system 4.2 channels

26specifications compared
15differ
11identical
50known for one product only

Key differences

The LG LHB655NW 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 LHB655NW home cinema system 5.1 channels (1250 W vs 1000 W). The LG LHD687 home cinema system 4.2 channels has 1 dB more front speaker sensitivity than the LG LHB655NW home cinema system 5.1 channels (82 dB vs 81 dB). Only the LG LHB655NW home cinema system 5.1 channels has 3D. Only the LG LHB655NW home cinema system 5.1 channels has Ethernet LAN.

Optical disc player type
- LHB655NW home cinema system 5.1 channels:Blu-Ray player
- LHD687 home cinema system 4.2 channels:DVD player
3D
- LHB655NW home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No
Audio output channels
- LHB655NW home cinema system 5.1 channels:5.1 channels
- LHD687 home cinema system 4.2 channels:4.2 channels
RMS rated power
- LHB655NW home cinema system 5.1 channels:1000 W
- LHD687 home cinema system 4.2 channels:1250 W
Audio formats supported
- LHB655NW home cinema system 5.1 channels:AAC, FLAC, LPCM, MP3, WMA
- LHD687 home cinema system 4.2 channels:LPCM
Supported radio bands
- LHB655NW home cinema system 5.1 channels:FM
- LHD687 home cinema system 4.2 channels:PLL
Front speaker sensitivity
- LHB655NW home cinema system 5.1 channels:81 dB
- LHD687 home cinema system 4.2 channels:82 dB
Ethernet LAN
- LHB655NW home cinema system 5.1 channels:Yes
- LHD687 home cinema system 4.2 channels:No

Side by side

Differences highlightedShow differences only

Comparison of LHB655NW, LHD687
76 specifications	A LG LHB655NW home cinema system 5.1 channels Model LHB655NW 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, DVD, 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, AVCHD, FLV, M4V, MKV, MOV, MP4, MPEG1, MPEG2, MPEG4, 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 enhancement technologyKnown for one	Yes	Unknown — not stated by the source
Video upscalingKnown for one	Unknown — not stated by the source	Yes
Audio4 differ
Audio output channelsDiffers	5.1 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, MP3, WMA	LPCM
Audio Return Channel (ARC)Known for one	Yes	Unknown — not stated by the source
Number of speakersKnown for one	7	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
RDS featuresKnown for one	CT, PS, PTY, RT	Unknown — not stated by the source
Preset stations quantity	50	50
Front speakers1 differ
Front speakers RMS powerKnown for one	332 W	Unknown — not stated by the source
Front speaker sensitivityDiffers	81 dB	82 dB
Front speaker impedance	3 Ω	3 Ω
Front speaker woofer diameter (imperial)	7.62 cm (3")	7.62 cm (3")
Center speakeridentical
Center speaker RMS powerKnown for one	167 W	Unknown — not stated by the source
Center speaker sensitivityKnown for one	81 dB	Unknown — not stated by the source
Center speaker impedanceKnown for one	3 Ω	Unknown — not stated by the source
Center speaker woofer diameter (imperial)Known for one	7.62 cm (3")	Unknown — not stated by the source
Satellite speakersidentical
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
Subwoofer driver diameter (imperial)Known for one	7.62 cm (3")	Unknown — not stated by the source
Subwoofer impedanceKnown for one	3 Ω	Unknown — not stated by the source
Network1 differ
Bluetooth	Yes	Yes
Ethernet LANDiffers	Yes	No
Wi-Fi	No	No
Ports & interfaces1 differ
Number of HDMI outputsKnown for one	1	Unknown — not stated by the source
USB ports quantityDiffers	2	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
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
Microphone inKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power consumption (typical)Differs	135 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
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 110 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
Subwoofer dimensions (W x D x H)Known for one	172 x 261 x 391 mm	Unknown — not stated by the source
Packaging contentidentical
ManualKnown 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
AirPlayKnown for one	No	Unknown — not stated by the source
Deep colour supportKnown for one	Yes	Unknown — not stated by the source
Firmware upgradeableKnown for one	Yes	Unknown — not stated by the source
MP3 playbackKnown for one	Yes	Unknown — not stated by the source
MultiroomKnown for one	Yes	Unknown — not stated by the source
Rear speaker depthKnown for one	29 cm	Unknown — not stated by the source
Rear speaker heightKnown for one	110 cm	Unknown — not stated by the source
Rear speaker widthKnown for one	29 cm	Unknown — not stated by the source
Smartphone/tablet remote supportKnown for one	Yes	Unknown — not stated by the source
Streaming capabilityKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Product colour	Black	Black
Digital Living Network Alliance (DLNA) certifiedKnown for one	Yes	Unknown — not stated by the source
Power sourceKnown for one	AC	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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