Discontinued
NB3740
320W 4.1ch Streaming Sound Bar with Wireless Subwoofer
  • Premium Content - Hulu Plus®, Netflix®, YouTube® and more
  • LG Apps
  • Wireless Subwoofer
  • Built-In Wi-Fi®
320W 4.1ch Streaming Sound Bar with Wireless Subwoofer

PREMIUM CONTENT PROVIDERS

  • Vudu
    Yes
    Netflix
    Yes
  • Hulu
    Yes
    CinemaNow
    Yes
  • Youtube
    Yes
    M-GO
    Yes
  • MLB
    Yes
    Amazon
    Yes
  • Pandora
    Yes
    Crackle
    Yes
  • Spotify
    Yes
    Rhapsody
    Yes
  • Accuweather
    Yes
    Vtuner
    Yes
  • AP
    Yes
    Google Maps
    Yes
  • Facebook
    Yes
    Twitter
    Yes
  • Viewster
    Yes

GENERAL

  • Channels
    2.1
    Total Power
    320 Watts

FEATURES

  • Automatic Power on/off
    Yes
    A/V Sync
    Yes
  • SIMPLINK
    Yes
    USB Host
    Yes
  • Audio Return Channel (ARC)
    Yes
    External HDD Playback
    Yes
  • Smart Share (DLNA)
    Yes

VIDEO FORMAT

  • MPEG2
    Yes
    MPEG4 AVC (H.264)
    Yes
  • SMPTE VC1 (VC-9)
    Yes
    DivX/DIvX HD
    Yes
  • MKV
    Yes
    M4V
    Yes
  • WMV
    Yes
    FLV
    Yes
  • 3GP
    Yes
    MPEG-1
    Yes
  • MP4
    Yes
    MOV
    Yes
  • VOB
    Yes

SPEAKER

  • Front
    40W x 2
    Surround
    40W x 2
  • Subwoofer
    160W (wireless)

AUDIO SOUND MODE

  • Standard (By pass)
    Yes
    Music (Natural)
    Yes
  • Bass
    Yes
    D.Loud(Loudness)
    Yes
  • Dynamic Range Control
    Yes

AUDIO FORMAT

  • LPCM
    Yes
    Dolby Digital
    Yes
  • DTS 2.0
    Yes
    MP3
    Yes
  • WMA
    Yes
    MPEG2 AAC
    Yes
  • FLAC
    Up to 192kHz

CONNECTIVITY

  • Wireless Audio Streaming via Bluetooth®
    Yes
    HDMI® Out
    Yes
  • HDMI® Input
    Yes
    Optical Input
    Yes
  • USB
    Yes

INCLUDED ACCESSORIES

  • Remote Control
    Yes
    Batteries
    2 (Size AAA)
  • Optical Cable
    Yes
    USB Gender
    Yes
  • Wall Mount Bracket
    Yes

POWER

  • Power Consumption
    30W
    Standby
    0.5W

DIMENSIONS / WEIGHT

  • TV Matching
    47" and above
    Subwoofer (W x H x D)
    6.7" x 14.2" x 12.4"
  • Shipping Dimensions (WxHxD)
    43.6" x 9.5" x 19.4"
    Net Weight
    15.9 lbs
  • Shipping Weight
    26.5 lbs

WARRANTY / UPC

  • Limited Warranty
    1 Year Parts and Labor
    UPC
    719192592506
What people are saying
Rated 4 out of 5 by from Happy with it for the most part. Sound is great. It’s very good for normal tv viewing and superb for movie viewing. Subwoofer paring is simple. Easy to mount. Here’s the only real disappointment…the Bluetooth range is awful. You can't be more than a few feet away before it starts braking up the signal. It's actually the worst Bluetooth product I've ever used. I have a portable Bluetooth speaker from another manufacturer and it works wonderfully from over 50’ away. You’re are LUCKY if you can get 5 feet from the soundbar. Another small disappointment is connecting to the tv. I have an LG tv and I thought they would seamlessly work together but that did not happen. I am not sure if it's the tv or the soundbar making it challenging so I can’t take anything away from my soundbar rating. When you get them working together the sound is fantastic. If Bluetooth is important to you DO NOT buy this soundbar. If you are using it solely for tv/movie viewing it’s great.
Date published: 2017-12-12
Rated 5 out of 5 by from Great buy I bought this awhile ago and I haven't regretted it for a moment. The sound quality is great, the features are awesome.. I can watch Hulu, Netflix, HBO and a ton of other networks just from my soundbar.. and the price is a bargan! The only thing I wish it had was Amazonprime but really I have no complaints
Date published: 2017-09-23
Rated 3 out of 5 by from Good Soundbar This is a good soundbar with great sound for movies and video games. The bass can get extremely loud as well with good clarity. The surround sound quality is pretty solid too. However I have sent mine in to get fixed before for issues. Every now and again, the sound goes away and every voice sounds like they were sucking on helium. It has happened less since being sent in to LG, but it still occurs. If you are looking for a soundbar, I would recommend not going with this one and looking for a newer model.
Date published: 2017-02-07
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ASK & ANSWER

Ask your questions. Share your answers.
Please review the detailed product information and help guides in the
Product Support section for this product prior to posting a question.

On the display my soundbar NB-3740 keeps saying please wait. How can i reset it?

Asked by: Dee Green
Unplugging the unit from the wall will power down the unit. Plug it in to reset the device. If you are still experiencing an issue, you can contact our Customer Support by any of the below options: Phone: 1-800-243-0000 LiveChat: https://www.lg.com/us/support/chatbot Email: https://www.lg.com/us/support/email-appointment Facebook Messenger: https://www.facebook.com/LGUSA/ Twitter: @LGUSSupport The LG Community Forum is also a great resource for getting help from other LG customers: https://lgcommunity.us.com/
Answered by: ChrisPSM
Date published: 2019-10-07

On the display my soundbar NB-3740 keeps saying please wait. How can i reset it?

Asked by: Dee Green
Unplugging the unit from the wall will power down the unit. Plug it in to reset the device. If you are still experiencing an issue, you can contact our Customer Support by any of the below options: Phone: 1-800-243-0000 LiveChat: https://www.lg.com/us/support/chatbot Email: https://www.lg.com/us/support/email-appointment Facebook Messenger: https://www.facebook.com/LGUSA/ Twitter: @LGUSSupport The LG Community Forum is also a great resource for getting help from other LG customers: https://lgcommunity.us.com/
Answered by: ChrisPSM
Date published: 2019-10-07

My soundbar doesn't play HEVC (H.265) content. Is there a software update/upgrade available? 

Asked by: Rian365
Our offices, in the United States, do not have product information for South Africa. In order to obtain such information, it is recommended to check our subsidiary’s website, at http://www.lg.com/za/support/contact/support-here-to-help.jsp.
Answered by: NeilE
Date published: 2017-03-22

I do not have the remote for the soundbar. Can I use an app instead?

Asked by: Eric1978
Parts and accessories can be obtained through our parts distributor, MCM Electronics. Their contact number, for placing orders, is 800-824-9491. You can also use their website, at http://www.mcmelectronics.com/content/en-US/forms/lg_parts. The part number for this item is: AKB73775701.
Answered by: NeilE
Date published: 2017-02-08

I have the LG NB3740 sound bar. I have it connected to my LG Smart TV using an  HDMI (ARC) cable. When the sound bar comes on, it goes to Home or Optical not ARC. What do I need to do?

Asked by: Rory B
We regret the inconvenience you have experienced with this Sound Bar. Be certain that only one audio connection (HDMI/ARC) cable is connected and that the TV’s Audio Out setting is configured for the ARC output. It may be suggested to utilize the OPTICAL port, instead of the ARC, if adjustments to the audio configuration is undesirable. With this connection, the INTERNAL SPEAKERS+OPTICAL setting can be set, and the external sound can activate automatically. For additional information or clarification, please contact our Customer Interactive Center at 800-243-0000.
Answered by: NeilE
Date published: 2017-01-23

Im trying to connect the sound bar to my tv, but the tv doesnt have an optical how I can get sound working?

Asked by: Ale0421
We appreciate your interest in this Sound Bar System. This model is designed to connect to a television using either the OPTICAL Digital Audio jack or the HDMI / ARC jack. The compatibility of this alternate connection will depend upon the design of the TV.
Answered by: NeilE
Date published: 2017-01-13

We bought our sound bar almost 2 years ago brand new. We just moved and now there is a short in the DC adapter, where can I buy a replacement?

Asked by: MrsRobbins
Parts and accessories can be obtained through our parts distributor, MCM Electronics. Their contact number, for placing orders, is 800-824-9491. You can also use their website, at http://www.mcmelectronics.com/content/en-US/forms/lg_parts. The part number for this item is: EAD61909201.
Answered by: NeilE
Date published: 2016-11-04

My LG soundbar used to work fine with no problem. Then recently the subwoofer started cutting in and out. And now I can't get them to pair. The subwoofer just has an orange/red light on it now. HELP!

Asked by: N8te
We regret the inconvenience you have experienced with this Sound Bar system. It is suggested to UNPAIR the device before attempting to RE-PAIR the system. If this does not resolve the matter, please contact our Customer Interactive Center at 800-243-0000.
Answered by: NeilE
Date published: 2016-06-15
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