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Product comparison · 2 home cinema systems

LG DM7630 home cinema system vs Yamaha YHT-2920 home cinema system 5.1 channels

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  • 38specifications compared
  • 25differ
  • 13identical
  • 64known for one product only

Key differences

The LG DM7630 home cinema system has 605 W more RMS rated power than the Yamaha YHT-2920 home cinema system 5.1 channels (740 W vs 135 W). The LG DM7630 home cinema system has 126 W more front speakers RMS power than the Yamaha YHT-2920 home cinema system 5.1 channels (156 W vs 30 W). The Yamaha YHT-2920 home cinema system 5.1 channels has 2 Ω more front speaker impedance than the LG DM7630 home cinema system (6 Ω vs 4 Ω). Only the Yamaha YHT-2920 home cinema system 5.1 channels has Bluetooth. Only the LG DM7630 home cinema system has karaoke.

  • Optical disc player type
    • DVD player
    • Not included
  • Video formats supported
    • AVI, DIVX, MPEG
    • Not supported
  • RMS rated power
    • 740 W
    • 135 W
  • Front speakers RMS power
    • 156 W
    • 30 W
  • Front speaker impedance
    • 4 Ω
    • 6 Ω
  • Center speaker RMS power
    • 75 W
    • 30 W
  • Satellite speakers RMS power
    • 75 W
    • 30 W
  • Subwoofer RMS power
    • 203 W
    • 50 W

Side by side

Differences highlightedShow differences only
102 specifications
A

LG

DM7630 home cinema system

Model DM7630

View product
B

Yamaha

YHT-2920 home cinema system 5.1 channels

Model YHT-2920

View product
Optical drive2 differ
Optical disc player typeDiffersDVD playerNot included
Disc types supportedDiffersCD, CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RWNo
Disc loading typeKnown for oneTray
Playback disc formatsKnown for oneCD audio, DVD-Video
Video1 differ
3DKnown for oneYes
Video formats supportedDiffersAVI, DIVX, MPEGNot supported
Full HDKnown for oneYes
Aspect ratioKnown for one4:3, 16:9
Progressive scanKnown for oneYes
Audio2 differ
Audio output channelsKnown for one5.1 channels
RMS rated powerDiffers740 W135 W
Audio decodersDiffersDolby DigitalDolby Digital Plus, Dolby TrueHD, DTS-HD Master Audio
Audio D/A Converter (DAC)Known for one24-bit/192kHz
Sound enhancement technologyKnown for oneYes
Audio Return Channel (ARC)Known for oneYes
Signal-to-Noise Ratio (SNR)Known for one75 dB
Audio formats supportedKnown for oneAC3, MP3, PCM, WMA
Total Harmonic Distortion (THD)Known for one10%
MP3 bit ratesKnown for one32 - 320 Kbit/s
WMA bit ratesKnown for one40 - 192 Kbit/s
Radioidentical
FM band rangeKnown for one87.5 - 108 MHz
AM band rangeKnown for one522 - 1710 kHz
Front speakers2 differ
Front speakers RMS powerDiffers156 W30 W
Front speaker sensitivityKnown for one83 dB
Front speaker impedanceDiffers4 Ω6 Ω
Front speaker peak powerKnown for one100 W
Front speaker typeKnown for one2-way
Center speaker1 differ
Center speaker RMS powerDiffers75 W30 W
Center speaker sensitivityKnown for one84 dB
Center speaker peak powerKnown for one100 W
Center speaker typeKnown for one2-way
Satellite speakers1 differ
Satellite speakers RMS powerDiffers75 W30 W
Satellite speaker sensitivityKnown for one83 dB
Satellite speaker peak powerKnown for one100 W
Wireless satellite speakersKnown for oneNo
Satellite speaker typeKnown for one2-way
Subwoofer2 differ
Subwoofer RMS powerDiffers203 W50 W
Wireless subwooferKnown for oneNo
Subwoofer driver diameter (imperial)Known for one16.5 cm (6.5")
Subwoofer frequency rangeKnown for one30 - 100 Hz
Subwoofer impedanceDiffers3 Ω5 Ω
Subwoofer peak powerKnown for one100 W
Subwoofer typeKnown for onePassive subwoofer
Network1 differ
BluetoothDiffersNoYes
Ports & interfaces2 differ
HDMI inKnown for one4
Number of HDMI outputsKnown for one1
SCART ports quantityKnown for one0
Component video (YPbPr/YCbCr) inKnown for one0
Component video (YPbPr/YCbCr) outDiffers10
Composite video inKnown for one3
Composite video outKnown for one1
S-Video outputs quantityKnown for one0
Audio (L/R) inDiffers13
Digital audio coaxial inKnown for one2
Digital audio coaxial outKnown for one0
Digital audio optical inKnown for one1
Digital audio optical outKnown for one0
Microphone inKnown for oneYes
Displayidentical
Backlight displayKnown for oneYes
On Screen Display (OSD)Known for oneYes
Poweridentical
Auto power offKnown for oneYes
Power consumption (standby)Known for one0.3 W
Weight & dimensions10 differ
Main unit dimensions (WxDxH)Differs277 x 365.5 x 343.5 mm435 x 315 x 151 mm
Main unit weightDiffers5.7 kg7.4 kg
Front speaker dimensions (WxDxH)Differs240 x 336 x 387 mm115 x 88 x 176 mm
Front speaker weightDiffers5 kg480 g
Center speaker dimensions (WxDxH)Differs277 x 160 x 120 mm291 x 103 x 101 mm
Center speaker weightDiffers2 kg680 g
Satellite speaker dimensions (WxDxH)Differs204 x 255 x 331 mm115 x 88 x 176 mm
Satellite speaker weightDiffers2.8 kg480 g
Subwoofer dimensions (W x D x H)Differs261 x 409 x 331 mm262 x 299 x 264 mm
Subwoofer weightDiffers6.5 kg7 kg
Other featuresidentical
Built-in HDDKnown for oneNo
TV tuner integratedKnown for oneNo
Deep colour supportKnown for oneYes
MP3 playbackKnown for oneYes
Power LEDKnown for oneYes
Wireless connectionKnown for oneYes
x.v.Color supportKnown for oneYes
Audio amplifierKnown for oneYes
Audio dynamic range CDKnown for one80 dB
Image formats supportedKnown for oneJPG
Parental controlKnown for oneYes
Technical details1 differ
KaraokeDiffersYesNo
Frequency rangeKnown for one30 - 25000 Hz
Power source typeKnown for oneAC
Playback modesKnown for oneRandom, Repeat
SlideshowKnown for oneYes
Management featuresidentical
Sleep timerKnown for oneYes

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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