Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Yamaha YHT-2920 home cinema system 5.1 channels

22specifications compared
14differ
8identical
70known for one product only

Key differences

The Yamaha YHT-2920 home cinema system 5.1 channels has 0.9 channels more audio output channels than the LG LHD687 home cinema system 4.2 channels (5.1 channels vs 4.2 channels). The LG LHD687 home cinema system 4.2 channels has 1,115 W more RMS rated power than the Yamaha YHT-2920 home cinema system 5.1 channels (1250 W vs 135 W). The Yamaha YHT-2920 home cinema system 5.1 channels has 1 dB more front speaker sensitivity than the LG LHD687 home cinema system 4.2 channels (83 dB vs 82 dB). Only the Yamaha YHT-2920 home cinema system 5.1 channels has 3D. Only the LG LHD687 home cinema system 4.2 channels has karaoke.

Optical disc player type
- LHD687 home cinema system 4.2 channels:DVD player
- YHT-2920 home cinema system 5.1 channels:Not included
3D
- LHD687 home cinema system 4.2 channels:No
- YHT-2920 home cinema system 5.1 channels:Yes
Video formats supported
- LHD687 home cinema system 4.2 channels:MPEG, MPEG1, MPEG2, XVID
- YHT-2920 home cinema system 5.1 channels:Not supported
Audio output channels
- LHD687 home cinema system 4.2 channels:4.2 channels
- YHT-2920 home cinema system 5.1 channels:5.1 channels
RMS rated power
- LHD687 home cinema system 4.2 channels:1250 W
- YHT-2920 home cinema system 5.1 channels:135 W
Supported radio bands
- LHD687 home cinema system 4.2 channels:PLL
- YHT-2920 home cinema system 5.1 channels:AM, FM
Front speaker sensitivity
- LHD687 home cinema system 4.2 channels:82 dB
- YHT-2920 home cinema system 5.1 channels:83 dB
Front speaker impedance
- LHD687 home cinema system 4.2 channels:3 Ω
- YHT-2920 home cinema system 5.1 channels:6 Ω

Side by side

Differences highlightedShow differences only

Comparison of LHD687, YHT-2920
92 specifications	A LG LHD687 home cinema system 4.2 channels Model LHD687 View product	B Yamaha YHT-2920 home cinema system 5.1 channels Model YHT-2920 View product
Optical drive2 differ
Optical disc player typeDiffers	DVD player	Not included
Disc types supportedDiffers	CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	No
Playback disc formatsKnown for one	MP3	Unknown — not stated by the source
Video2 differ
3DDiffers	No	Yes
Video formats supportedDiffers	MPEG, MPEG1, MPEG2, XVID	Not supported
Full HDKnown for one	Unknown — not stated by the source	Yes
Video D/A Converter (DAC)Known for one	12-bit/148MHz	Unknown — not stated by the source
Analog signal format systemKnown for one	NTSC, PAL	Unknown — not stated by the source
Video upscalingKnown for one	Yes	Unknown — not stated by the source
Audio3 differ
Audio output channelsDiffers	4.2 channels	5.1 channels
RMS rated powerDiffers	1250 W	135 W
Audio decodersDiffers	Dolby Digital	Dolby Digital Plus, Dolby TrueHD, DTS-HD Master Audio
Audio D/A Converter (DAC)Known for one	Unknown — not stated by the source	24-bit/192kHz
EqualizerKnown for one	Unknown — not stated by the source	Yes
Sound enhancement technologyKnown for one	Unknown — not stated by the source	Yes
Audio Return Channel (ARC)Known for one	Unknown — not stated by the source	Yes
Audio formats supportedKnown for one	LPCM	Unknown — not stated by the source
Total Harmonic Distortion (THD)Known for one	25%	Unknown — not stated by the source
Radio1 differ
FM radio	Yes	Yes
Supported radio bandsDiffers	PLL	AM, FM
Preset stations quantityKnown for one	50	Unknown — not stated by the source
Front speakers2 differ
Front speakers RMS powerKnown for one	Unknown — not stated by the source	30 W
Front speaker sensitivityDiffers	82 dB	83 dB
Front speaker impedanceDiffers	3 Ω	6 Ω
Front speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Front speaker woofer diameter (imperial)Known for one	7.62 cm (3")	Unknown — not stated by the source
Center speakeridentical
Center speaker RMS powerKnown for one	Unknown — not stated by the source	30 W
Center speaker sensitivityKnown for one	Unknown — not stated by the source	84 dB
Center speaker impedanceKnown for one	Unknown — not stated by the source	6 Ω
Center speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Satellite speakersidentical
Satellite speakers RMS powerKnown for one	Unknown — not stated by the source	30 W
Satellite speaker impedanceKnown for one	Unknown — not stated by the source	6 Ω
Satellite speaker sensitivityKnown for one	Unknown — not stated by the source	83 dB
Satellite speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Wireless satellite speakersKnown for one	Unknown — not stated by the source	No
Subwooferidentical
Subwoofer RMS powerKnown for one	Unknown — not stated by the source	50 W
Wireless subwooferKnown for one	Unknown — not stated by the source	No
Subwoofer driver diameter (imperial)Known for one	Unknown — not stated by the source	16.5 cm (6.5")
Subwoofer frequency rangeKnown for one	Unknown — not stated by the source	30 - 100 Hz
Subwoofer impedanceKnown for one	Unknown — not stated by the source	5 Ω
Subwoofer peak powerKnown for one	Unknown — not stated by the source	100 W
Networkidentical
Bluetooth	Yes	Yes
Ethernet LAN	No	No
Wi-Fi	No	No
Ports & interfaces1 differ
HDMI inKnown for one	Unknown — not stated by the source	4
Number of HDMI outputsKnown for one	Unknown — not stated by the source	1
SCART ports quantityKnown for one	Unknown — not stated by the source	0
USB ports quantity	1	1
USB versionKnown for one	Unknown — not stated by the source	2.0
Component video (YPbPr/YCbCr) inKnown for one	Unknown — not stated by the source	0
Component video (YPbPr/YCbCr) outKnown for one	Unknown — not stated by the source	0
Composite video inKnown for one	Unknown — not stated by the source	3
Composite video outKnown for one	Unknown — not stated by the source	1
S-Video outputs quantityKnown for one	Unknown — not stated by the source	0
Audio (L/R) inDiffers	1	3
Digital audio coaxial inKnown for one	Unknown — not stated by the source	2
Digital audio coaxial outKnown for one	Unknown — not stated by the source	0
Digital audio optical in	1	1
Digital audio optical outKnown for one	Unknown — not stated by the source	0
FM antennaKnown for one	Unknown — not stated by the source	Yes
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Displayidentical
Backlight displayKnown for one	Unknown — not stated by the source	Yes
Built-in displayKnown for one	Yes	Unknown — not stated by the source
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Poweridentical
Auto power offKnown for one	Unknown — not stated by the source	Yes
Power consumption (standby)Known for one	Unknown — not stated by the source	0.3 W
Power consumption (typical)Known for one	145 W	Unknown — not stated by the source
Weight & dimensions2 differ
Main unit dimensions (WxDxH)Differs	360 x 58 x 298.5 mm	435 x 315 x 151 mm
Main unit weightKnown for one	Unknown — not stated by the source	7.4 kg
Front speaker dimensions (WxDxH)Differs	233 x 998 x 300 mm	115 x 88 x 176 mm
Front speaker weightKnown for one	Unknown — not stated by the source	480 g
Center speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	291 x 103 x 101 mm
Center speaker weightKnown for one	Unknown — not stated by the source	680 g
Satellite speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	115 x 88 x 176 mm
Satellite speaker weightKnown for one	Unknown — not stated by the source	480 g
Subwoofer dimensions (W x D x H)Known for one	Unknown — not stated by the source	262 x 299 x 264 mm
Subwoofer weightKnown for one	Unknown — not stated by the source	7 kg
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Built-in HDDKnown for one	Unknown — not stated by the source	No
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Deep colour supportKnown for one	Unknown — not stated by the source	Yes
MP3 playbackKnown for one	Unknown — not stated by the source	Yes
Power LEDKnown for one	Unknown — not stated by the source	Yes
Wireless connectionKnown for one	Unknown — not stated by the source	Yes
x.v.Color supportKnown for one	Unknown — not stated by the source	Yes
Technical details1 differ
Product colour	Black	Black
KaraokeDiffers	Yes	No
USB direct playback	Yes	Yes
Frequency rangeKnown for one	Unknown — not stated by the source	30 - 25000 Hz
Power source typeKnown for one	Unknown — not stated by the source	AC
Equalizer modesKnown for one	Bass Blast, Standart	Unknown — not stated by the source

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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