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Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Yamaha YHT-4950U home cinema system 5.1 channels

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  • 19specifications compared
  • 11differ
  • 8identical
  • 42known for one product only

Key differences

  • Optical disc player type
    • DVD player
    • Not included
  • Audio output channels
    • 4.2 channels
    • 5.1 channels
  • RMS rated power
    • 1250 W
    • 70 W
  • Audio formats supported
    • LPCM
    • AAC, MP3, WAV, WMA
  • Supported radio bands
    • PLL
    • AM, FM
  • Front speaker sensitivity
    • 82 dB
    • 83 dB
  • HDMI ports quantity
    • 1
    • 5
  • Audio (L/R) in
    • 1
    • 3

Side by side

Differences highlightedShow differences only
61 specifications
A

LG

LHD687 home cinema system 4.2 channels

Model LHD687

View product
B

Yamaha

YHT-4950U home cinema system 5.1 channels

Model YHT-4950U

View product
Optical drive2 differ
Optical disc player typeDiffersDVD playerNot included
Disc types supportedDiffersCD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RWNo
Playback disc formatsKnown for oneMP3
Videoidentical
High Dynamic Range (HDR) technologyKnown for oneDolby Vision, High Dynamic Range 10 (HDR10), Hybrid Log-Gamma (HLG)
3DKnown for oneNo
Video formats supportedKnown for oneMPEG, MPEG1, MPEG2, XVID
Video D/A Converter (DAC)Known for one12-bit/148MHz
Analog signal format systemKnown for oneNTSC, PAL
Video upscalingKnown for oneYes
Audio4 differ
Audio output channelsDiffers4.2 channels5.1 channels
RMS rated powerDiffers1250 W70 W
Audio decodersDiffersDolby DigitalDTS-HD Master Audio, Dolby Digital Plus, Dolby TrueHD
Audio D/A Converter (DAC)Known for one32-bit/384kHz
Audio formats supportedDiffersLPCMAAC, MP3, WAV, WMA
Total Harmonic Distortion (THD)Known for one25%
Radio1 differ
FM radioYesYes
Supported radio bandsDiffersPLLAM, FM
Preset stations quantityKnown for one50
Front speakers1 differ
Front speakers RMS powerKnown for one30 W
Front speaker sensitivityDiffers82 dB83 dB
Front speaker peak powerKnown for one100 W
Front speaker impedanceKnown for one3 Ω
Front speaker woofer diameter (imperial)Known for one7.62 cm (3")
Center speakeridentical
Center speaker RMS powerKnown for one30 W
Center speaker sensitivityKnown for one84 dB
Center speaker peak powerKnown for one100 W
Subwooferidentical
Subwoofer RMS powerKnown for one50 W
Subwoofer driver diameter (imperial)Known for one20.3 cm (8")
Subwoofer frequency rangeKnown for one28 - 200 Hz
Subwoofer impedanceKnown for one5 Ω
Subwoofer peak powerKnown for one100 W
Networkidentical
BluetoothYesYes
Ethernet LANNoNo
Wi-FiNoNo
Ports & interfaces2 differ
HDMI ports quantityDiffers15
HDMI inKnown for one4
Number of HDMI outputsKnown for one1
USB ports quantity11
Composite video inKnown for one3
Composite video outKnown for one1
Audio (L/R) inDiffers13
Digital audio coaxial inKnown for one2
Digital audio optical in11
Headphone outputsKnown for one1
Microphone inKnown for oneYes
Displayidentical
Built-in displayYesYes
On Screen Display (OSD)Known for oneYes
Display resolutionKnown for one1920 x 1080 pixels
Poweridentical
Power consumption (standby)Known for one0.2 W
Power consumption (typical)Known for one145 W
Weight & dimensionsidentical
Main unit weightKnown for one7.71 kg
Front speaker weightKnown for one590 g
Center speaker weightKnown for one730 g
Subwoofer weightKnown for one8.48 kg
Main unit dimensions (WxDxH)Known for one360 x 58 x 298.5 mm
Front speaker dimensions (WxDxH)Known for one233 x 998 x 300 mm
Packaging contentidentical
Remote control includedKnown for oneYes
Technical details1 differ
Product colourBlackBlack
KaraokeDiffersYesNo
USB direct playbackKnown for oneYes
Equalizer modesKnown for oneBass Blast, Standart

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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