Product comparison · 2 home cinema systems

LG LHD645-DB home cinema system 5.1 channels vs Yamaha YHT-1940 home cinema system 5.1 channels 3D Black

32specifications compared
17differ
15identical
79known for one product only

Key differences

The LG LHD645-DB home cinema system 5.1 channels has 274 W more front speakers RMS power than the Yamaha YHT-1940 home cinema system 5.1 channels 3D Black (334 W vs 60 W). The LG LHD645-DB home cinema system 5.1 channels has 137 W more center speaker RMS power than the Yamaha YHT-1940 home cinema system 5.1 channels 3D Black (167 W vs 30 W). The LG LHD645-DB home cinema system 5.1 channels has 274 W more satellite speakers RMS power than the Yamaha YHT-1940 home cinema system 5.1 channels 3D Black (334 W vs 60 W). Only the Yamaha YHT-1940 home cinema system 5.1 channels 3D Black has 3D. Only the LG LHD645-DB home cinema system 5.1 channels has Bluetooth.

Optical disc player type
- LHD645-DB home cinema system 5.1 channels:DVD player
- YHT-1940 home cinema system 5.1 channels 3D Black:Not included
3D
- LHD645-DB home cinema system 5.1 channels:No
- YHT-1940 home cinema system 5.1 channels 3D Black:Yes
Front speakers RMS power
- LHD645-DB home cinema system 5.1 channels:334 W
- YHT-1940 home cinema system 5.1 channels 3D Black:60 W
Center speaker RMS power
- LHD645-DB home cinema system 5.1 channels:167 W
- YHT-1940 home cinema system 5.1 channels 3D Black:30 W
Satellite speakers RMS power
- LHD645-DB home cinema system 5.1 channels:334 W
- YHT-1940 home cinema system 5.1 channels 3D Black:60 W
Subwoofer RMS power
- LHD645-DB home cinema system 5.1 channels:167 W
- YHT-1940 home cinema system 5.1 channels 3D Black:30 W
Bluetooth
- LHD645-DB home cinema system 5.1 channels:Yes
- YHT-1940 home cinema system 5.1 channels 3D Black:No
Ethernet LAN
- LHD645-DB home cinema system 5.1 channels:Yes
- YHT-1940 home cinema system 5.1 channels 3D Black:No

Side by side

Differences highlightedShow differences only

Comparison of LHD645-DB, YHT-1940
111 specifications	A LG LHD645-DB home cinema system 5.1 channels Model LHD645-DB 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 typeDiffers	DVD player	Not included
Disc types supportedDiffers	CD, CD-R, CD-RW, DVD, DVD+RW, DVD-R, DVD-RW	No
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
Playback disc formatsKnown for one	CD audio, CD video, SVCD, VCD	Unknown — not stated by the source
Video1 differ
3DDiffers	No	Yes
Full HD	Yes	Yes
Video upscalingKnown for one	Unknown — not stated by the source	Yes
Video formats supportedKnown for one	MPEG2, XVID	Unknown — not stated by the source
Audioidentical
Audio output channels	5.1 channels	5.1 channels
Audio decodersKnown for one	Unknown — not stated by the source	DTS, DTS-HD, Dolby Digital, Dolby Digital Plus, Dolby Surround
Audio D/A Converter (DAC)Known for one	Unknown — not stated by the source	24-bit/192kHz
Total Harmonic Distortion (THD)Known for one	Unknown — not stated by the source	0.09%
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
Number of speakersKnown for one	Unknown — not stated by the source	5
Surround modes quantityKnown for one	Unknown — not stated by the source	17
RMS rated powerKnown for one	1000 W	Unknown — not stated by the source
Audio formats supportedKnown for one	MP3, WMA	Unknown — not stated by the source
Radioidentical
FM radio	Yes	Yes
Supported radio bands	FM	FM
Radio Data System (RDS)Known for one	Unknown — not stated by the source	Yes
RDS featuresKnown for one	Unknown — not stated by the source	PLL
Preset stations quantityKnown for one	Unknown — not stated by the source	40
Front speakers1 differ
Front speaker typeKnown for one	Unknown — not stated by the source	2-way
Front speakers RMS powerDiffers	334 W	60 W
Front speaker impedanceKnown for one	Unknown — not stated by the source	6 Ω
Front speaker peak powerKnown for one	Unknown — not stated by the source	100 W
Front speakers wall mountableKnown for one	Unknown — not stated by the source	Yes
Center speaker1 differ
Center speaker typeKnown for one	Unknown — not stated by the source	2-way
Center speaker RMS powerDiffers	167 W	30 W
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
Center speaker wall mountableKnown for one	Unknown — not stated by the source	Yes
Satellite speakers1 differ
Satellite speaker typeKnown for one	Unknown — not stated by the source	2-way
Satellite speakers RMS powerDiffers	334 W	60 W
Number of satellite speakers	2	2
Satellite speaker impedanceKnown for one	Unknown — not stated by the source	6 Ω
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
Subwoofer1 differ
Subwoofer typeKnown for one	Unknown — not stated by the source	Active subwoofer
Subwoofer RMS powerDiffers	167 W	30 W
Wireless subwooferKnown for one	Unknown — not stated by the source	No
Subwoofer impedanceKnown for one	Unknown — not stated by the source	6 Ω
Subwoofer peak powerKnown for one	Unknown — not stated by the source	100 W
Bass adjustmentKnown for one	Unknown — not stated by the source	Yes
Network2 differ
BluetoothDiffers	Yes	No
Ethernet LANDiffers	Yes	No
Wi-Fi	No	No
Management featuresidentical
Sleep timerKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces3 differ
HDMI inDiffers	0	4
Number of HDMI outputs	1	1
SCART ports quantity	0	0
USB ports quantityDiffers	1	0
Component video (YPbPr/YCbCr) out	0	0
S-Video outputs quantity	0	0
AUX inKnown for one	Unknown — not stated by the source	Yes
Audio (L/R) in	1	1
Digital audio coaxial inDiffers	0	2
Digital audio coaxial out	0	0
Digital audio optical in	1	1
Digital audio optical out	0	0
Headphone outputsKnown for one	Unknown — not stated by the source	1
USB versionKnown for one	2.0	Unknown — not stated by the source
Composite video outKnown for one	1	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
FM antennaKnown for one	Yes	Unknown — not stated by the source
Displayidentical
Built-in displayKnown for one	Unknown — not stated by the source	Yes
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, Dutch, English, Spanish, French, Italian, Japanese, Russian
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
Weight & dimensions5 differ
Main unit dimensions (WxDxH)Differs	360 x 299 x 60.5 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	250 x 250 x 1100 mm	115 x 88 x 176 mm
Center speaker dimensions (WxDxH)Differs	260 x 74 x 93 mm	291 x 103 x 101 mm
Satellite speaker dimensions (WxDxH)Differs	88 x 81 x 122 mm	115 x 88 x 176 mm
Subwoofer dimensions (W x D x H)Differs	191 x 318 x 388.5 mm	262 x 287 x 264 mm
Packaging dataidentical
Package weightKnown for one	Unknown — not stated by the source	7.4 kg
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
24p supportKnown for one	Unknown — not stated by the source	Yes
4K Ultra HD upscalingKnown for one	Unknown — not stated by the source	Yes
AirPlayKnown for one	Unknown — not stated by the source	No
Audio amplifierKnown for one	Unknown — not stated by the source	Yes
Bass reflexKnown for one	Unknown — not stated by the source	Yes
Deep colour supportKnown for one	Unknown — not stated by the source	Yes
DisplayKnown for one	Unknown — not stated by the source	LED
Easy setupKnown for one	Unknown — not stated by the source	Yes
Equalizer customizableKnown for one	Unknown — not stated by the source	Yes
ImpedanceKnown for one	Unknown — not stated by the source	6 Ω
Number of amplifier channelsKnown for one	Unknown — not stated by the source	2 channels
Number of tunersKnown for one	Unknown — not stated by the source	1 tuner(s)
Power LEDKnown for one	Unknown — not stated by the source	Yes
Smartphone/tablet remote supportKnown for one	Unknown — not stated by the source	Yes
Virtual surroundKnown for one	Unknown — not stated by the source	Yes
x.v.Color supportKnown for one	Unknown — not stated by the source	Yes
Satellite speakers wall mountableKnown for one	Unknown — not stated by the source	Yes
Apple docking compatibilityKnown for one	Not supported	Unknown — not stated by the source
Built-in HDDKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Technical detailsidentical
Product colour	Black	Black
KaraokeKnown for one	Unknown — not stated by the source	No
BD-LiveKnown for one	Unknown — not stated by the source	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
Sleep modeKnown for one	Unknown — not stated by the source	Yes
Sound effectsKnown for one	Unknown — not stated by the source	Acoustic resonance, Compression, Flanger/Digital Signal Processing (DSP)
Speaker typeKnown for one	Unknown — not stated by the source	2-way

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