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Product comparison · 2 home cinema systems

LG DM7630 home cinema system vs Yamaha YHT-4920UBL home cinema system 5.1 channels

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  • 15specifications compared
  • 10differ
  • 5identical
  • 66known for one product only

Key differences

The LG DM7630 home cinema system has 640 W more RMS rated power than the Yamaha YHT-4920UBL home cinema system 5.1 channels (740 W vs 100 W). The LG DM7630 home cinema system has 103 W more subwoofer RMS power than the Yamaha YHT-4920UBL home cinema system 5.1 channels (203 W vs 100 W). The Yamaha YHT-4920UBL home cinema system 5.1 channels has 1.48 kg more subwoofer weight than the LG DM7630 home cinema system (7.98 kg vs 6.5 kg). Subwoofer type: Passive subwoofer on the LG DM7630 home cinema system, Active subwoofer on the Yamaha YHT-4920UBL home cinema system 5.1 channels. Front speaker dimensions (WxDxH): 240 x 336 x 387 mm on the LG DM7630 home cinema system, 101.6 x 101.6 x 152.4 mm on the Yamaha YHT-4920UBL home cinema system 5.1 channels.

  • RMS rated power
    • 740 W
    • 100 W
  • Subwoofer type
    • Passive subwoofer
    • Active subwoofer
  • Subwoofer RMS power
    • 203 W
    • 100 W
  • Front speaker dimensions (WxDxH)
    • 240 x 336 x 387 mm
    • 101.6 x 101.6 x 152.4 mm
  • Front speaker weight
    • 5 kg
    • 589.67 g
  • Center speaker dimensions (WxDxH)
    • 277 x 160 x 120 mm
    • 254 x 101.6 x 101.6 mm
  • Center speaker weight
    • 2 kg
    • 730.28 g
  • Subwoofer dimensions (W x D x H)
    • 261 x 409 x 331 mm
    • 279.4 x 304.8 x 279.4 mm

Side by side

Differences highlightedShow differences only
81 specifications
A

LG

DM7630 home cinema system

Model DM7630

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B

Yamaha

YHT-4920UBL home cinema system 5.1 channels

Model YHT-4920UBL

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Optical driveidentical
Optical disc player typeKnown for oneDVD player
Disc loading typeKnown for oneTray
Disc types supportedKnown for oneCD, CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW
Playback disc formatsKnown for oneCD audio, DVD-Video
Videoidentical
Video formats supportedKnown for oneAVI, DIVX, MPEG
Aspect ratioKnown for one4:3, 16:9
Progressive scanKnown for oneYes
3DKnown for oneYes
Audio2 differ
RMS rated powerDiffers740 W100 W
Audio decodersDiffersDolby DigitalDTS-HD Master Audio, Dolby Digital Plus, Dolby TrueHD
Signal-to-Noise Ratio (SNR)Known for one75 dB
Audio formats supportedKnown for oneAC3, MP3, PCM, WMA
Total Harmonic Distortion (THD)Known for one10%
EqualizerKnown for oneYes
MP3 bit ratesKnown for one32 - 320 Kbit/s
WMA bit ratesKnown for one40 - 192 Kbit/s
Audio output channelsKnown for one5.1 channels
Sound enhancement technologyKnown for oneYes
Radioidentical
FM radioYesYes
Supported radio bandsAM, FMAM, FM
FM band rangeKnown for one87.5 - 108 MHz
AM band rangeKnown for one522 - 1710 kHz
Front speakersidentical
Front speaker typeKnown for one2-way
Front speakers RMS powerKnown for one156 W
Front speaker impedanceKnown for one4 Ω
Center speakeridentical
Center speaker typeKnown for one2-way
Center speaker RMS powerKnown for one75 W
Center speaker impedanceKnown for one6 Ω
Satellite speakersidentical
Satellite speaker typeKnown for one2-way
Satellite speakers RMS powerKnown for one75 W
Satellite speaker impedanceKnown for one6 Ω
Subwoofer2 differ
Subwoofer typeDiffersPassive subwooferActive subwoofer
Subwoofer RMS powerDiffers203 W100 W
Subwoofer impedanceKnown for one3 Ω
Subwoofer driver diameter (imperial)Known for one16.5 cm (6.5")
Networkidentical
BluetoothKnown for oneNo
Ethernet LANNoNo
Wi-FiNoNo
Management featuresidentical
Sleep timerKnown for oneYes
Ports & interfacesidentical
USB ports quantityKnown for one1
USB versionKnown for one2.0
Component video (YPbPr/YCbCr) outKnown for one1
Audio (L/R) inKnown for one1
FM antennaKnown for oneYes
Microphone inKnown for oneYes
HDMI inKnown for one4
Number of HDMI outputsKnown for one1
Composite video inKnown for one3
Composite video outKnown for one1
Digital audio coaxial inKnown for one2
Digital audio coaxial outKnown for one0
Digital audio optical inKnown for one1
Digital audio optical outKnown for one0
Ethernet LAN (RJ-45) portsKnown for one0
Displayidentical
On Screen Display (OSD)Known for oneYes
Built-in displayKnown for oneYes
Weight & dimensions6 differ
Main unit dimensions (WxDxH)Known for one277 x 365.5 x 343.5 mm
Main unit weightKnown for one5.7 kg
Front speaker dimensions (WxDxH)Differs240 x 336 x 387 mm101.6 x 101.6 x 152.4 mm
Front speaker weightDiffers5 kg589.67 g
Center speaker dimensions (WxDxH)Differs277 x 160 x 120 mm254 x 101.6 x 101.6 mm
Center speaker weightDiffers2 kg730.28 g
Satellite speaker dimensions (WxDxH)Known for one204 x 255 x 331 mm
Satellite speaker weightKnown for one2.8 kg
Subwoofer dimensions (W x D x H)Differs261 x 409 x 331 mm279.4 x 304.8 x 279.4 mm
Subwoofer weightDiffers6.5 kg7.98 kg
Packaging contentidentical
Remote control includedKnown for oneYes
Other featuresidentical
Audio amplifierKnown for oneYes
Audio dynamic range CDKnown for one80 dB
Image formats supportedKnown for oneJPG
Parental controlKnown for oneYes
Audio systemKnown for oneDolby Digital Plus
DisplayKnown for oneLCD
Number of tunersKnown for one2 tuner(s)
Wireless connectionKnown for oneNo
Technical detailsidentical
Product colourBlackBlack
KaraokeKnown for oneYes
USB direct playbackKnown for oneYes
Playback modesKnown for oneRandom, Repeat
SlideshowKnown for oneYes
Poweridentical
Power consumption (standby)Known for one0.3 W

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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