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Product comparison · 2 home cinema systems

LG DM7630 home cinema system vs Yamaha YHT-1940 home cinema system 5.1 channels 3D Black

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  • 37specifications compared
  • 21differ
  • 16identical
  • 87known for one product only

Key differences

The LG DM7630 home cinema system has 9.91% more total Harmonic Distortion (THD) than the Yamaha YHT-1940 home cinema system 5.1 channels 3D Black (10% vs 0.09%). The LG DM7630 home cinema system has 96 W more front speakers RMS power than the Yamaha YHT-1940 home cinema system 5.1 channels 3D Black (156 W vs 60 W). The Yamaha YHT-1940 home cinema system 5.1 channels 3D Black has 2 Ω more front speaker impedance than the LG DM7630 home cinema system (6 Ω vs 4 Ω). Only the LG DM7630 home cinema system has karaoke. Optical disc player type: DVD player on the LG DM7630 home cinema system, Not included on the Yamaha YHT-1940 home cinema system 5.1 channels 3D Black.

  • Optical disc player type
    • DVD player
    • Not included
  • Total Harmonic Distortion (THD)
    • 10%
    • 0.09%
  • Supported radio bands
    • AM, FM
    • FM
  • Front speakers RMS power
    • 156 W
    • 60 W
  • Front speaker impedance
    • 4 Ω
    • 6 Ω
  • Center speaker RMS power
    • 75 W
    • 30 W
  • Satellite speakers RMS power
    • 75 W
    • 60 W
  • Subwoofer type
    • Passive subwoofer
    • Active subwoofer

Side by side

Differences highlightedShow differences only
124 specifications
A

LG

DM7630 home cinema system

Model DM7630

View product
B

Yamaha

YHT-1940 home cinema system 5.1 channels 3D Black

Model YHT-1940

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
Videoidentical
3DKnown for oneYes
Full HDKnown for oneYes
Video upscalingKnown for oneYes
Video formats supportedKnown for oneAVI, DIVX, MPEG
Aspect ratioKnown for one4:3, 16:9
Progressive scanKnown for oneYes
Audio2 differ
Audio output channelsKnown for one5.1 channels
Audio decodersDiffersDolby DigitalDTS, DTS-HD, Dolby Digital, Dolby Digital Plus, Dolby Surround
Audio D/A Converter (DAC)Known for one24-bit/192kHz
Total Harmonic Distortion (THD)Differs10%0.09%
EqualizerYesYes
Sound enhancement technologyKnown for oneYes
Audio Return Channel (ARC)Known for oneYes
Number of speakersKnown for one5
Surround modes quantityKnown for one17
RMS rated powerKnown for one740 W
Signal-to-Noise Ratio (SNR)Known for one75 dB
Audio formats supportedKnown for oneAC3, MP3, PCM, WMA
MP3 bit ratesKnown for one32 - 320 Kbit/s
WMA bit ratesKnown for one40 - 192 Kbit/s
Radio1 differ
FM radioYesYes
Supported radio bandsDiffersAM, FMFM
Radio Data System (RDS)Known for oneYes
RDS featuresKnown for onePLL
Preset stations quantityKnown for one40
FM band rangeKnown for one87.5 - 108 MHz
AM band rangeKnown for one522 - 1710 kHz
Front speakers2 differ
Front speaker type2-way2-way
Front speakers RMS powerDiffers156 W60 W
Front speaker impedanceDiffers4 Ω6 Ω
Front speaker peak powerKnown for one100 W
Front speakers wall mountableKnown for oneYes
Center speaker1 differ
Center speaker type2-way2-way
Center speaker RMS powerDiffers75 W30 W
Center speaker impedance6 Ω6 Ω
Center speaker peak powerKnown for one100 W
Center speaker wall mountableKnown for oneYes
Satellite speakers1 differ
Satellite speaker type2-way2-way
Satellite speakers RMS powerDiffers75 W60 W
Number of satellite speakersKnown for one2
Satellite speaker impedance6 Ω6 Ω
Satellite speaker peak powerKnown for one100 W
Wireless satellite speakersKnown for oneNo
Subwoofer3 differ
Subwoofer typeDiffersPassive subwooferActive subwoofer
Subwoofer RMS powerDiffers203 W30 W
Wireless subwooferKnown for oneNo
Subwoofer impedanceDiffers3 Ω6 Ω
Subwoofer peak powerKnown for one100 W
Bass adjustmentKnown for oneYes
Networkidentical
BluetoothNoNo
Ethernet LANNoNo
Wi-FiNoNo
Management featuresidentical
Sleep timerYesYes
Ports & interfaces2 differ
HDMI inKnown for one4
Number of HDMI outputsKnown for one1
SCART ports quantityKnown for one0
USB ports quantityDiffers10
Component video (YPbPr/YCbCr) outDiffers10
S-Video outputs quantityKnown for one0
AUX inKnown for oneYes
Audio (L/R) in11
Digital audio coaxial inKnown for one2
Digital audio coaxial outKnown for one0
Digital audio optical inKnown for one1
Digital audio optical outKnown for one0
Headphone outputsKnown for one1
USB versionKnown for one2.0
FM antennaKnown for oneYes
Microphone inKnown for oneYes
Displayidentical
Built-in displayKnown for oneYes
On Screen Display (OSD)YesYes
On Screen Display (OSD) languagesKnown for oneSimplified Chinese, Dutch, English, Spanish, French, Italian, Japanese, Russian
Poweridentical
Auto power offKnown for oneYes
Power consumption (standby)Known for one0.3 W
Weight & dimensions6 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
Center speaker dimensions (WxDxH)Differs277 x 160 x 120 mm291 x 103 x 101 mm
Satellite speaker dimensions (WxDxH)Differs204 x 255 x 331 mm115 x 88 x 176 mm
Subwoofer dimensions (W x D x H)Differs261 x 409 x 331 mm262 x 287 x 264 mm
Front speaker weightKnown for one5 kg
Center speaker weightKnown for one2 kg
Satellite speaker weightKnown for one2.8 kg
Subwoofer weightKnown for one6.5 kg
Packaging dataidentical
Package weightKnown for one7.4 kg
Packaging contentidentical
ManualKnown for oneYes
Quick installation guideKnown for oneYes
Quick start guideKnown for oneYes
Remote control includedYesYes
Other featuresidentical
24p supportKnown for oneYes
4K Ultra HD upscalingKnown for oneYes
AirPlayKnown for oneNo
Audio amplifierYesYes
Bass reflexKnown for oneYes
Deep colour supportKnown for oneYes
DisplayKnown for oneLED
Easy setupKnown for oneYes
Equalizer customizableKnown for oneYes
ImpedanceKnown for one6 Ω
Number of amplifier channelsKnown for one2 channels
Number of tunersKnown for one1 tuner(s)
Power LEDKnown for oneYes
Smartphone/tablet remote supportKnown for oneYes
Virtual surroundKnown for oneYes
x.v.Color supportKnown for oneYes
Satellite speakers wall mountableKnown for oneYes
Audio dynamic range CDKnown for one80 dB
Image formats supportedKnown for oneJPG
Parental controlKnown for oneYes
Technical details1 differ
Product colourBlackBlack
KaraokeDiffersYesNo
BD-LiveKnown for oneYes
Frequency rangeKnown for one30 - 25000 Hz
Power source typeKnown for oneAC
Sleep modeKnown for oneYes
Sound effectsKnown for oneAcoustic resonance, Compression, Flanger/Digital Signal Processing (DSP)
Speaker typeKnown for one2-way
USB direct playbackKnown for oneYes
Playback modesKnown for oneRandom, Repeat
SlideshowKnown 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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