Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Yamaha YHT-4920UBL home cinema system 5.1 channels

12specifications compared
6differ
6identical
46known for one product only

Key differences

The Yamaha YHT-4920UBL 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 1,150 W more RMS rated power than the Yamaha YHT-4920UBL home cinema system 5.1 channels (1250 W vs 100 W). Only the Yamaha YHT-4920UBL home cinema system 5.1 channels has 3D. Supported radio bands: PLL on the LG LHD687 home cinema system 4.2 channels, AM, FM on the Yamaha YHT-4920UBL home cinema system 5.1 channels. Front speaker dimensions (WxDxH): 233 x 998 x 300 mm on the LG LHD687 home cinema system 4.2 channels, 101.6 x 101.6 x 152.4 mm on the Yamaha YHT-4920UBL home cinema system 5.1 channels.

3D
- LHD687 home cinema system 4.2 channels:No
- YHT-4920UBL home cinema system 5.1 channels:Yes
Audio output channels
- LHD687 home cinema system 4.2 channels:4.2 channels
- YHT-4920UBL home cinema system 5.1 channels:5.1 channels
RMS rated power
- LHD687 home cinema system 4.2 channels:1250 W
- YHT-4920UBL home cinema system 5.1 channels:100 W
Supported radio bands
- LHD687 home cinema system 4.2 channels:PLL
- YHT-4920UBL home cinema system 5.1 channels:AM, FM
Front speaker dimensions (WxDxH)
- LHD687 home cinema system 4.2 channels:233 x 998 x 300 mm
- YHT-4920UBL home cinema system 5.1 channels:101.6 x 101.6 x 152.4 mm

Side by side

Differences highlightedShow differences only

Comparison of LHD687, YHT-4920UBL
58 specifications	A LG LHD687 home cinema system 4.2 channels Model LHD687 View product	B Yamaha YHT-4920UBL home cinema system 5.1 channels Model YHT-4920UBL View product
Optical driveidentical
Optical disc player typeKnown for one	DVD player	Unknown — not stated by the source
Disc types supportedKnown for one	CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	Unknown — not stated by the source
Playback disc formatsKnown for one	MP3	Unknown — not stated by the source
Video1 differ
3DDiffers	No	Yes
Video formats supportedKnown for one	MPEG, MPEG1, MPEG2, XVID	Unknown — not stated by the source
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	100 W
Audio decodersDiffers	Dolby Digital	DTS-HD Master Audio, Dolby Digital Plus, Dolby TrueHD
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
Sound enhancement technologyKnown for one	Unknown — not stated by the source	Yes
Radio1 differ
Supported radio bandsDiffers	PLL	AM, FM
Preset stations quantityKnown for one	50	Unknown — not stated by the source
Front speakersidentical
Front speaker sensitivityKnown for one	82 dB	Unknown — not stated by the source
Front speaker impedanceKnown for one	3 Ω	Unknown — not stated by the source
Front speaker woofer diameter (imperial)Known for one	7.62 cm (3")	Unknown — not stated by the source
Networkidentical
BluetoothKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
USB ports quantityKnown for one	1	Unknown — not stated by the source
Audio (L/R) inKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
HDMI inKnown for one	Unknown — not stated by the source	4
Number of HDMI outputsKnown for one	Unknown — not stated by the source	1
Composite video inKnown for one	Unknown — not stated by the source	3
Composite video outKnown for one	Unknown — not stated by the source	1
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 outKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	0
Displayidentical
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
Poweridentical
Power consumption (typical)Known for one	145 W	Unknown — not stated by the source
Power consumption (standby)Known for one	Unknown — not stated by the source	0.3 W
Weight & dimensions1 differ
Main unit dimensions (WxDxH)Known for one	360 x 58 x 298.5 mm	Unknown — not stated by the source
Front speaker dimensions (WxDxH)Differs	233 x 998 x 300 mm	101.6 x 101.6 x 152.4 mm
Front speaker weightKnown for one	Unknown — not stated by the source	589.67 g
Center speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	254 x 101.6 x 101.6 mm
Center speaker weightKnown for one	Unknown — not stated by the source	730.28 g
Subwoofer dimensions (W x D x H)Known for one	Unknown — not stated by the source	279.4 x 304.8 x 279.4 mm
Subwoofer weightKnown for one	Unknown — not stated by the source	7.98 kg
Technical detailsidentical
KaraokeKnown for one	Yes	Unknown — not stated by the source
USB direct playbackKnown for one	Yes	Unknown — not stated by the source
Equalizer modesKnown for one	Bass Blast, Standart	Unknown — not stated by the source
Subwooferidentical
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Subwoofer RMS powerKnown for one	Unknown — not stated by the source	100 W
Subwoofer driver diameter (imperial)Known for one	Unknown — not stated by the source	16.5 cm (6.5")
Other featuresidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Digital Plus
DisplayKnown for one	Unknown — not stated by the source	LCD
Number of tunersKnown for one	Unknown — not stated by the source	2 tuner(s)
Wireless connectionKnown for one	Unknown — not stated by the source	No

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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