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Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Samsung HT-J4550 home cinema system 5.1 channels

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  • 22specifications compared
  • 16differ
  • 6identical
  • 48known for one product only

Key differences

The Samsung HT-J4550 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 750 W more RMS rated power than the Samsung HT-J4550 home cinema system 5.1 channels (1250 W vs 500 W). The LG LHD687 home cinema system 4.2 channels has 106 W more power consumption (typical) than the Samsung HT-J4550 home cinema system 5.1 channels (145 W vs 39 W). Only the Samsung HT-J4550 home cinema system 5.1 channels has 3D. Only the Samsung HT-J4550 home cinema system 5.1 channels has Ethernet LAN.

  • Optical disc player type
    • DVD player
    • Blu-Ray player
  • Playback disc formats
    • MP3
    • Blu-Ray video
  • 3D
    • No
    • Yes
  • Analog signal format system
    • NTSC, PAL
    • PAL
  • Audio output channels
    • 4.2 channels
    • 5.1 channels
  • RMS rated power
    • 1250 W
    • 500 W
  • Audio formats supported
    • LPCM
    • AAC, FLAC, LPCM, MP3, WMA
  • Supported radio bands
    • PLL
    • FM

Side by side

Differences highlightedShow differences only
70 specifications
A

LG

LHD687 home cinema system 4.2 channels

Model LHD687

View product
B

Samsung

HT-J4550 home cinema system 5.1 channels

Model HT-J4550

View product
Optical drive3 differ
Optical disc player typeDiffersDVD playerBlu-Ray player
Disc types supportedDiffersCD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RWDVD, DVD+R, DVD+RW, DVD-R, DVD-RW
Playback disc formatsDiffersMP3Blu-Ray video
Video3 differ
3DDiffersNoYes
Video formats supportedDiffersMPEG, MPEG1, MPEG2, XVIDAVCHD, DIVX, WMV, WMV7, WMV8, WMV9
Analog signal format systemDiffersNTSC, PALPAL
Video D/A Converter (DAC)Known for one12-bit/148MHz
Video upscalingKnown for oneYes
Audio4 differ
Audio output channelsDiffers4.2 channels5.1 channels
RMS rated powerDiffers1250 W500 W
Audio decodersDiffersDolby DigitalDolby Digital, Dolby Digital Plus, Dolby TrueHD, DTS 96/24, DTS Digital Surround, DTS-HD Master Audio
Audio formats supportedDiffersLPCMAAC, FLAC, LPCM, MP3, WMA
Audio Return Channel (ARC)Known for oneYes
Total Harmonic Distortion (THD)Known for one25%
Radio1 differ
Supported radio bandsDiffersPLLFM
Radio Data System (RDS)Known for oneYes
Preset stations quantityKnown for one50
Satellite speakersidentical
Wireless satellite speakersKnown for oneNo
Subwooferidentical
Subwoofer typeKnown for onePassive subwoofer
Wireless subwooferKnown for oneNo
Network1 differ
Ethernet LANDiffersNoYes
Ports & interfacesidentical
HDMI inKnown for one0
Number of HDMI outputsKnown for one1
SCART ports quantityKnown for one0
USB versionKnown for one2.0
Component video (YPbPr/YCbCr) outKnown for one0
S-Video outputs quantityKnown for one0
Digital audio coaxial inKnown for one0
Digital audio coaxial outKnown for one0
Digital audio optical outKnown for one0
Ethernet LAN (RJ-45) portsKnown for one1
FM antennaKnown for oneYes
HDMI ports quantityKnown for one1
Audio (L/R) inKnown for one1
Microphone inKnown for oneYes
Power1 differ
Power consumption (typical)Differs145 W39 W
Power consumption (standby)Known for one0.5 W
Weight & dimensions2 differ
Main unit dimensions (WxDxH)Differs360 x 58 x 298.5 mm430 x 224 x 55 mm
Main unit weightKnown for one1.9 kg
Front speaker dimensions (WxDxH)Differs233 x 998 x 300 mm95 x 75 x 1112 mm
Front speaker weightKnown for one2.9 kg
Center speaker dimensions (WxDxH)Known for one228 x 70 x 77 mm
Center speaker weightKnown for one500 g
Satellite speaker dimensions (WxDxH)Known for one95 x 75 x 1112 mm
Satellite speaker weightKnown for one2.9 kg
Subwoofer dimensions (W x D x H)Known for one155 x 285 x 300 mm
Subwoofer weightKnown for one2.9 kg
Packaging dataidentical
Package weightKnown for one21.8 kg
Package dimensions (WxDxH)Known for one861 x 366 x 467 mm
Packaging contentidentical
Warranty cardKnown for oneYes
Other featuresidentical
Built-in HDDKnown for oneNo
Image formats supportedKnown for oneJPG
Certificatesidentical
Consumer Electronics Control (CEC)Known for oneAnynet+
Technical details1 differ
KaraokeDiffersYesNo
BD WiseKnown for oneYes
BD-LiveKnown for oneYes
Digital Living Network Alliance (DLNA) certifiedKnown for oneYes
USB direct playbackKnown for oneYes
Equalizer modesKnown for oneBass Blast, Standart
Front speakersidentical
Front speaker sensitivityKnown for one82 dB
Front speaker impedanceKnown for one3 Ω
Front speaker woofer diameter (imperial)Known for one7.62 cm (3")
Displayidentical
Built-in displayKnown for oneYes
Display resolutionKnown for one1920 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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