Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Yamaha YHT-2930 EU

14specifications compared
8differ
6identical
58known for one product only

Key differences

The Yamaha YHT-2930 EU 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 1,050 W more RMS rated power than the Yamaha YHT-2930 EU (1250 W vs 200 W). The LG LHD687 home cinema system 4.2 channels has 24.1% more total Harmonic Distortion (THD) than the Yamaha YHT-2930 EU (25% vs 0.9%). Audio decoders: Dolby Digital on the LG LHD687 home cinema system 4.2 channels, DTS-HD Master Audio, Dolby TrueHD on the Yamaha YHT-2930 EU. Supported radio bands: PLL on the LG LHD687 home cinema system 4.2 channels, AM, FM on the Yamaha YHT-2930 EU.

Audio output channels
- LHD687 home cinema system 4.2 channels:4.2 channels
- YHT-2930 EU:5.1 channels
RMS rated power
- LHD687 home cinema system 4.2 channels:1250 W
- YHT-2930 EU:200 W
Total Harmonic Distortion (THD)
- LHD687 home cinema system 4.2 channels:25%
- YHT-2930 EU:0.9%
Supported radio bands
- LHD687 home cinema system 4.2 channels:PLL
- YHT-2930 EU:AM, FM
Audio (L/R) in
- LHD687 home cinema system 4.2 channels:1
- YHT-2930 EU:3
Main unit dimensions (WxDxH)
- LHD687 home cinema system 4.2 channels:360 x 58 x 298.5 mm
- YHT-2930 EU:435 x 151 x 315 mm
Front speaker dimensions (WxDxH)
- LHD687 home cinema system 4.2 channels:233 x 998 x 300 mm
- YHT-2930 EU:115 x 176 x 88 mm

Side by side

Differences highlightedShow differences only

Comparison of LHD687, YHT-2930 EU
72 specifications	A LG LHD687 home cinema system 4.2 channels Model LHD687 View product	B Yamaha YHT-2930 EU View product
Videoidentical
Full HDKnown for one	Unknown — not stated by the source	Yes
3DKnown for one	No	Unknown — not stated by the source
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
Audio4 differ
Audio output channelsDiffers	4.2 channels	5.1 channels
RMS rated powerDiffers	1250 W	200 W
Audio decodersDiffers	Dolby Digital	DTS-HD Master Audio, Dolby TrueHD
Audio D/A Converter (DAC)Known for one	Unknown — not stated by the source	24-bit/192kHz
Total Harmonic Distortion (THD)Differs	25%	0.9%
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
Surround modes quantityKnown for one	Unknown — not stated by the source	17
Audio formats supportedKnown for one	LPCM	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
Networkidentical
Bluetooth	Yes	Yes
Wi-Fi	No	No
Ethernet LANKnown for one	No	Unknown — not stated by the source
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) 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
AUX inKnown for one	Unknown — not stated by the source	Yes
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
Headphone outputsKnown for one	Unknown — not stated by the source	1
HDMI ports quantityKnown 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
On Screen Display (OSD) languagesKnown for one	Unknown — not stated by the source	Simplified Chinese, Traditional Chinese, German, English, Spanish, French, Italian, Japanese, Russian
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 151 x 315 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 176 x 88 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 101 x 103 mm
Center speaker weightKnown for one	Unknown — not stated by the source	680 g
Subwoofer dimensions (W x D x H)Known for one	Unknown — not stated by the source	262 x 264 x 299 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
Deep colour supportKnown for one	Unknown — not stated by the source	Yes
Frequency rangeKnown for one	Unknown — not stated by the source	30 Hz - 25 kHz
ImpedanceKnown for one	Unknown — not stated by the source	6 Ω
x.v.Color supportKnown for one	Unknown — not stated by the source	Yes
Technical detailsidentical
Product colour	Black	Black
Maximum input powerKnown for one	Unknown — not stated by the source	100 W
SensitivityKnown for one	Unknown — not stated by the source	84 dB
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.

More home cinema system comparisons

All home cinema system comparisons