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3D Blu-ray™ / DVD Home Theater System

  • LHB645N

Key Features

  • 1000W
  • LG Multi-Room Audio
  • Firmware update by network
  • Private Sound Mode
  • External HDD Playback
  • Premium Content
Multi-Room Mode

Multi-Room Mode

Customize your home audio experience with Multi-Room Mode. Synchronize your different Music Flow speakers to play the same music (with the use of an optional bridge) or family members can choose their own music in separate rooms.

Private Sound mode 2.0

Private Sound mode 2.0

Hassle-free pairing movie sound to your smart phone.

Premium Contents & LG App

Find contents you want to watch right on your TV using LG Home Theater System with just a few clicks of a remote. LG's Home Theater System provides a variety of popular streaming entertainment and VOD services

Premium Contents & LG App
External HDD Playback

External HDD Playback

Just connect your portable storage devices to LG Home Theater System and playback your favorite movie, music and photos.

Firmware update by network

Firmware update by network

Main Size (W x H x D) mm 360 X 60.5 X 299
Front Speaker Size (W x H x D) mm 290 X 1100 X 290
Subwoofer Size (W x H x D) mm 191 X 388.5 X 318
CH 5.1
Power Output(Total) 1000W
Front L/R THD 10% 167WX2
Center (3Ω:sat) 167W
Surround L/R (3Ω:sat) 167WX2
Sub-Woofer (3Ω:subwoofer) 167W(Passive)
Design (Mainset)
Front & Rear cabinet (tray) Yes
3D compatibility
3D / 2D Yes / Yes
Wired (Ethernet) Yes
Multi Room Yes
DLNA(Smart Share) DMP/ DMR(Mobile to TV Streaming) Yes / Yes
LG Smart TV
Premium Contents Yes
Home Menu
Home Menu Yes
In & Out
Display (Front) FLD
USB (Front) 1
Mic In(φ6.3) (Front) 2
Audio L/R (Back ) Yes
Optical (Back) 1
HDMI Out (Back) 1
FM (Back) Yes
Ethernet RJ45 (Back) Yes
Speaker Terminal (Composing of channel) 5.1
Speaker Terminal (Terminal Type) Push in (Spring)
Smart phone remote App Yes
Private Sound Mode Yes
Instant tray open 2 sec↓
Warm booting 3 sec↓
Booting Time 5 sec↓
Loading Time 10 sec↓
Firmware update by network Yes
Speaker Level Trim Yes
Speaker Distance (channel delay) Yes
Test Tone Yes
Mute Yes
A/V Sync Delay(Audio Delay) Yes
Dimmer Yes
Sleep Yes
Volume on TV Yes
USB Direct Recording Yes
External HDD Playback Yes
TV Sound (direct key) / TV Sound connect (Auto PWR on/off by optical) Yes / Yes
TV Sound Sync (Bluetooth) Yes
Dynamic Range Control - On/Off Yes
Progress Bar Yes
Photo -Thumbnail Yes
Bluetooth (Rx) Yes
Mic Volume / Echo Volume Yes / Yes
Fanfare Yes
Scoring Yes
Howlling Canceller Yes
Disc & AV Format
BD Disc Type - BD-ROM Yes
BD Disc Type - BD-R Yes
BD Disc Type - BD-RE Yes
BD Disc Type - DVD(NTSC) Yes
BD Disc Type - DVD(PAL) Yes
BD Disc Type - DVD-R Yes
BD Disc Type - DVD-RW(Video/VR Mode) Yes
BD Disc Type - DVD+R Yes
BD Disc Type - DVD+RW(Video mode) Yes
BD Disc Type - Audio CD Yes
BD Disc Type - DTS-CD Yes
BD Disc Type - CD-R/CD-RW Yes
Video Format - MPEG2 Yes
Video Format - MPEG4 AVC (H.264) Yes
Video Format - SMPTE VC1 (VC-9) Yes
Video Format - Xvid Yes
Video Format - MKV Yes
Video Format - AVCHD Yes
Video Format - M4V Yes
Video Format - WMV Yes
Video Format - 3GP Yes
Video Format - FLV Yes
Video Format - MPEG-1 Yes
Video Format - MP4 Yes
Video Format - MOV Yes
Video Format - VOB Yes
Audio Format - LPCM LPCM
Audio Format - Dolby Digital Yes
Audio Format - Dolby Digital Plus Yes
Audio Format - Dolby TrueHD Yes
Audio Format - DTS Yes
Audio Format - DTS-HD High Resolution Audio Yes
Audio Format - DTS-HD Master Audio Yes
Audio Format - MPEG 1/2 L2 Yes
Audio Format - MP3/ID3 Tag Yes / Yes
Audio Format - FLAC Yes
Audio Format - WMA Yes
Audio Format - AAC Yes
Graphics/Subtitle Format 2bit/ 8bit Sub-picture,Text-based Subtitle
Video Features
GUI/ Menu Option
Video DAC 148MHZ/12bit
NTSC/PAL Hz 60Hz / 50Hz
Resolution upto 1080p24/60Hz
VBI - WSS/CGMS-A/Closed Caption/Macrovsion Yes
NTSC⇔PAL Conversion Yes
HDMI 1.4 Yes
Deep Colour Yes
xvYCC Yes
Last Scene memory Yes
Photo Zoom Yes
Video Enhancement Yes
Disc (BD, DVD, CD) Playback Specification
Screen Saver Yes
Auto Power Off Yes
Parental Lock Yes
Initial logo Yes
BD - MHP-Like Interactivity Yes
BD - Simultaneous Playback of HD & SD Video Drip Yes
BD - Mixed Presentation of Dual Audio Yes
BD - BD ROM profile 5
BD - Still Picture PNG, JPEG, GIF
DVD - 1080p Upscaling Yes
Trick Play - Fast Forward BD, DVD(-VR), CD-DA, MP3/WMA
Trick Play - Fast Back BD, DVD(-VR), CD-DA, MP3/WMA
Trick Play - Forword Slow BD, DVD(-VR)
Trick Play - Pause BD, DVD(-VR), CD-DA, MP3/WMA
Trick Play - Forward Step BD, DVD(-VR)
Search - Title/Track BD, DVD(-VR), CD-DA, MP3/WMA
Search - Chapter BD, DVD(-VR)
Search - Time BD, DVD(-VR)
Repeat Play - Title/Track HDMV, DVD(-VR), CD-DA, MP3/WMA
Repeat Play - Chapter HDMV, DVD(-VR)
Repeat Play - A-B HDMV, DVD(-VR)
Resume Stop DVD(-VR), CD-DA,MP3/WMA
Random CD-DA, MP3/WMA
SMPS 110-240, 50/60Hz
Power Off Consumption 0.5W↓
Power Consumption 135W
Tuning Up/Down Yes
Preset Up/Down Yes
FM Yes
Preset Memory 50 Station
Front - SPL 81.5dB
Front - System Closed Type
Front - Woofer Unit 3" Yellow Paper
Front - Impedance
Front - Magnetic Shielding Perfect-Shield
Rear - SPL 81dB
Rear - System Closed Type
Rear - Woofer Unit 3" Paper
Rear - Impedance
Rear - Magnetic Shielding Perfect-Shield
Center - SPL 79 dB
Center - System Closed Type
Center - Woofer Unit 3" Yellow Paper
Center - Impedance
Center - Magnetic Shielding Shielded Type
Subwoofer - SPL 83 dB
Subwoofer - System Bass reflex
Subwoofer - Woofer Unit 6" Paper
Subwoofer - Impedance
Subwoofer - Magnetic Shielding Non Shielded Type


Simply choose a support option from the icons below:

  • Phone

    Call an LG Support Representative on

    1800 315 9999Or

    1800 180 9999

    24 hrs, 7 days a week
    Except national holidays

  • Mail

    LG Electronics India Pvt. Ltd,
    A Wing ( 3rd Floor )
    D-3 , District Center Saket,
    New Delhi -110017