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Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Samsung HT-J7750W home cinema system 7.1 channels

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  • 23specifications compared
  • 17differ
  • 6identical
  • 46known for one product only

Key differences

The Samsung HT-J7750W home cinema system 7.1 channels has 2.9 channels more audio output channels than the LG LHD687 home cinema system 4.2 channels (7.1 channels vs 4.2 channels). The Samsung HT-J7750W home cinema system 7.1 channels has 80 W more RMS rated power than the LG LHD687 home cinema system 4.2 channels (1330 W vs 1250 W). The LG LHD687 home cinema system 4.2 channels has 35 more preset stations quantity than the Samsung HT-J7750W home cinema system 7.1 channels (50 vs 15). Only the Samsung HT-J7750W home cinema system 7.1 channels has 3D. Only the Samsung HT-J7750W home cinema system 7.1 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
    • 7.1 channels
  • RMS rated power
    • 1250 W
    • 1330 W
  • Audio formats supported
    • LPCM
    • AAC, FLAC, LPCM, MP3, WMA
  • Preset stations quantity
    • 50
    • 15

Side by side

Differences highlightedShow differences only
69 specifications
A

LG

LHD687 home cinema system 4.2 channels

Model LHD687

View product
B

Samsung

HT-J7750W home cinema system 7.1 channels

Model HT-J7750W

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 upscalingYesYes
Video D/A Converter (DAC)Known for one12-bit/148MHz
Audio4 differ
Audio output channelsDiffers4.2 channels7.1 channels
RMS rated powerDiffers1250 W1330 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
FM radioYesYes
Preset stations quantityDiffers5015
Supported radio bandsKnown for onePLL
Satellite speakersidentical
Satellite speaker typeKnown for one2-way
Wireless satellite speakersKnown for oneYes
Subwooferidentical
Subwoofer typeKnown for onePassive subwoofer
Wireless subwooferKnown for oneYes
Network2 differ
BluetoothYesYes
Ethernet LANDiffersNoYes
Wi-FiDiffersNoYes
Ports & interfacesidentical
HDMI inKnown for one2
Number of HDMI outputsKnown for one1
SCART ports quantityKnown for one0
USB ports quantity11
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 in11
Digital audio optical outKnown for one0
Ethernet LAN (RJ-45) portsKnown for one1
HDMI ports quantityKnown for one1
Audio (L/R) inKnown for one1
Microphone inKnown for oneYes
Power1 differ
Power consumption (typical)Differs145 W72.5 W
Power consumption (standby)Known for one0.29 W
Weight & dimensions2 differ
Main unit dimensions (WxDxH)Differs360 x 58 x 298.5 mm430 x 312 x 55 mm
Main unit weightKnown for one2.7 kg
Front speaker dimensions (WxDxH)Differs233 x 998 x 300 mm95 x 101 x 1215 mm
Front speaker weightKnown for one5 kg
Center speaker dimensions (WxDxH)Known for one320 x 101 x 81 mm
Center speaker weightKnown for one1 kg
Satellite speaker dimensions (WxDxH)Known for one95 x 101 x 1160 mm
Satellite speaker weightKnown for one4.7 kg
Subwoofer dimensions (W x D x H)Known for one200 x 350 x 390 mm
Subwoofer weightKnown for one5.7 kg
Packaging dataidentical
Package weightKnown for one34.7 kg
Package dimensions (WxDxH)Known for one1076 x 446 x 557 mm
Packaging contentidentical
Quick start guideKnown 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
Product colourBlackBlack
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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