Product comparison · 2 home cinema systems

LG LHD687 home cinema system 4.2 channels vs Philips HTD3511/77 home cinema system 5.1 channels

22specifications compared
10differ
12identical
58known for one product only

Key differences

The Philips HTD3511/77 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 950 W more RMS rated power than the Philips HTD3511/77 home cinema system 5.1 channels (1250 W vs 300 W). The LG LHD687 home cinema system 4.2 channels has 15% more total Harmonic Distortion (THD) than the Philips HTD3511/77 home cinema system 5.1 channels (25% vs 10%). Playback disc formats: MP3 on the LG LHD687 home cinema system 4.2 channels, SVCD, VCD on the Philips HTD3511/77 home cinema system 5.1 channels. Audio decoders: Dolby Digital on the LG LHD687 home cinema system 4.2 channels, Dolby Digital 5.1 on the Philips HTD3511/77 home cinema system 5.1 channels.

Playback disc formats
- LHD687 home cinema system 4.2 channels:MP3
- HTD3511/77 home cinema system 5.1 channels:SVCD, VCD
Audio output channels
- LHD687 home cinema system 4.2 channels:4.2 channels
- HTD3511/77 home cinema system 5.1 channels:5.1 channels
RMS rated power
- LHD687 home cinema system 4.2 channels:1250 W
- HTD3511/77 home cinema system 5.1 channels:300 W
Audio decoders
- LHD687 home cinema system 4.2 channels:Dolby Digital
- HTD3511/77 home cinema system 5.1 channels:Dolby Digital 5.1
Total Harmonic Distortion (THD)
- LHD687 home cinema system 4.2 channels:25%
- HTD3511/77 home cinema system 5.1 channels:10%
Supported radio bands
- LHD687 home cinema system 4.2 channels:PLL
- HTD3511/77 home cinema system 5.1 channels:FM
Preset stations quantity
- LHD687 home cinema system 4.2 channels:50
- HTD3511/77 home cinema system 5.1 channels:40
Power consumption (typical)
- LHD687 home cinema system 4.2 channels:145 W
- HTD3511/77 home cinema system 5.1 channels:50 W

Side by side

Differences highlightedShow differences only

Comparison of LHD687, HTD3511/77
80 specifications	A LG LHD687 home cinema system 4.2 channels Model LHD687 View product	B Philips HTD3511/77 home cinema system 5.1 channels Model HTD3511/77 View product
Optical drive1 differ
Optical disc player type	DVD player	DVD player
Disc types supported	CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW	CD, CD-R, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs
Playback disc formatsDiffers	MP3	SVCD, VCD
Videoidentical
3D	No	No
Full HDKnown for one	Unknown — not stated by the source	Yes
Video upscaling	Yes	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
Audio4 differ
Audio output channelsDiffers	4.2 channels	5.1 channels
RMS rated powerDiffers	1250 W	300 W
Audio decodersDiffers	Dolby Digital	Dolby Digital 5.1
Total Harmonic Distortion (THD)Differs	25%	10%
EqualizerKnown for one	Unknown — not stated by the source	Yes
Sound enhancement technologyKnown for one	Unknown — not stated by the source	Yes
MP3 bit ratesKnown for one	Unknown — not stated by the source	32 - 320 Kbit/s
Audio formats supportedKnown for one	LPCM	Unknown — not stated by the source
Radio2 differ
FM radio	Yes	Yes
Supported radio bandsDiffers	PLL	FM
Preset stations quantityDiffers	50	40
Satellite speakersidentical
Satellite speaker typeKnown for one	Unknown — not stated by the source	2-way
Satellite speakers RMS powerKnown for one	Unknown — not stated by the source	50 W
Number of satellite speakersKnown for one	Unknown — not stated by the source	5
Subwooferidentical
Subwoofer typeKnown for one	Unknown — not stated by the source	Passive subwoofer
Subwoofer RMS powerKnown for one	Unknown — not stated by the source	50 W
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	150 - 20000 Hz
Subwoofer impedanceKnown for one	Unknown — not stated by the source	4 Ω
Networkidentical
Ethernet LAN	No	No
Wi-Fi	No	No
BluetoothKnown for one	Yes	Unknown — not stated by the source
Ports & interfacesidentical
HDMI inKnown for one	Unknown — not stated by the source	0
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	1
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
Digital audio coaxial inKnown for one	Unknown — not stated by the source	0
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
Microphone in	Yes	Yes
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
Audio (L/R) inKnown for one	1	Unknown — not stated by the source
Power1 differ
Power consumption (typical)Differs	145 W	50 W
AC input frequencyKnown for one	Unknown — not stated by the source	50 Hz
AC input voltageKnown for one	Unknown — not stated by the source	220-240 V
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
Weight & dimensions2 differ
Main unit dimensions (WxDxH)Differs	360 x 58 x 298.5 mm	360 x 335 x 58 mm
Main unit weightKnown for one	Unknown — not stated by the source	2.4 kg
Front speaker dimensions (WxDxH)Differs	233 x 998 x 300 mm	85 x 88 x 83 mm
Front speaker weightKnown for one	Unknown — not stated by the source	260 g
Center speaker dimensions (WxDxH)Known for one	Unknown — not stated by the source	85 x 88 x 83 mm
Center speaker weightKnown for one	Unknown — not stated by the source	260 g
Subwoofer weightKnown for one	Unknown — not stated by the source	2.82 kg
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	470 mm
Package depthKnown for one	Unknown — not stated by the source	377 mm
Package heightKnown for one	Unknown — not stated by the source	345 mm
Package weightKnown for one	Unknown — not stated by the source	7.6 kg
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	470 x 377 x 345 mm
Packaging contentidentical
Batteries includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	HDMI
ManualKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Image formats supportedKnown for one	Unknown — not stated by the source	BMP, JPG, TIF
Package weightKnown for one	Unknown — not stated by the source	7.6 kg
Picture enhancementKnown for one	Unknown — not stated by the source	Rotate, Zoom
Technical detailsidentical
Product colour	Black	Black
Karaoke	Yes	Yes
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
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
Displayidentical
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

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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