Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Yamaha YHT-3920UBL home cinema system 5.1 channels

13specifications compared
7differ
6identical
50known for one product only

Key differences

The Yamaha YHT-3920UBL 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-3920UBL home cinema system 5.1 channels (1250 W vs 100 W). The LG LHD687 home cinema system 4.2 channels has 144.7 W more power consumption (typical) than the Yamaha YHT-3920UBL home cinema system 5.1 channels (145 W vs 0.3 W). Only the Yamaha YHT-3920UBL 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-3920UBL home cinema system 5.1 channels.

3D
- LHD687 home cinema system 4.2 channels:No
- YHT-3920UBL home cinema system 5.1 channels:Yes
Audio output channels
- LHD687 home cinema system 4.2 channels:4.2 channels
- YHT-3920UBL home cinema system 5.1 channels:5.1 channels
RMS rated power
- LHD687 home cinema system 4.2 channels:1250 W
- YHT-3920UBL home cinema system 5.1 channels:100 W
Supported radio bands
- LHD687 home cinema system 4.2 channels:PLL
- YHT-3920UBL home cinema system 5.1 channels:AM, FM
Power consumption (typical)
- LHD687 home cinema system 4.2 channels:145 W
- YHT-3920UBL home cinema system 5.1 channels:0.3 W
Front speaker dimensions (WxDxH)
- LHD687 home cinema system 4.2 channels:233 x 998 x 300 mm
- YHT-3920UBL 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-3920UBL
63 specifications	A LG LHD687 home cinema system 4.2 channels Model LHD687 View product	B Yamaha YHT-3920UBL home cinema system 5.1 channels Model YHT-3920UBL View product
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 D/A Converter (DAC)Known for one	Unknown — not stated by the source	24-bit/192kHz
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
Center speakeridentical
Center speaker typeKnown for one	Unknown — not stated by the source	2.5-way
Center speaker tweeter diameterKnown for one	Unknown — not stated by the source	1.27 cm (0.5")
Soundbar speakeridentical
Tweeter diameter (imperial)Known for one	Unknown — not stated by the source	1.27 cm (0.5")
Tweeter diameterKnown for one	Unknown — not stated by the source	1.27 cm
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	20.3 cm (8")
Networkidentical
Bluetooth	Yes	Yes
Ethernet LAN	No	No
Wi-Fi	No	No
Ports & interfacesidentical
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 in	1	1
Digital audio optical outKnown for one	Unknown — not stated by the source	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
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
Displayidentical
On Screen Display (OSD)Known 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
Power1 differ
Power consumption (typical)Differs	145 W	0.3 W
Weight & dimensions1 differ
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	725.74 g
Center speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	279.4 x 101.6 x 101.6 mm
Center speaker weightKnown for one	Unknown — not stated by the source	1.18 kg
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	8.48 kg
Main unit dimensions (WxDxH)Known for one	360 x 58 x 298.5 mm	Unknown — not stated by the source
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby Digital Plus
Number of tunersKnown for one	Unknown — not stated by the source	2 tuner(s)
Wireless connectionKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Product colour	Black	Black
Sound effectsKnown for one	Unknown — not stated by the source	Flanger/Digital Signal Processing (DSP)
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
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
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

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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