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New Member
Posts: 3
Registered: ‎01-27-2014

Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Using an optical connection, my soundbar had quite good sound via DVD, no problems connecting to the wireless subwoofer. However, after I experimented with the Bluetooth audio input from my phone (TV off), and went back to using the wifi-connected TV, network kept crashing (network disconnected error message). It's been somewhat intermittent. Streaming Netflix, seems to crash quickly. Amazon Prime, we get about 20 minutes before it crashes. Every time I try to wifi stream Pandora through the TV, the network will become disconnected after three songs. 

 

(BTW I realize there shouldn't be any disparity between one streaming service and another, a software application and interference issues should be consistent: there's no logical reason why soundbar interference would be worse for Pandora than Amazon Prime). 

 

Attempted solutions: 

1. Reset the soundbar to default settings, in hopes that killing Bluetooth activation and pairing would solve this. (Theory was that Bluetooth was interfering with Wifi). 

2. Powered down the sound bar, unplugged, turned on TV, streamed a movie, then activated soundbar (theory was that perhaps powering soundbar before TV connected could be possible cause). 

3. Moved the TV as far from Sony soundbar as possible on the cabinet. Thought this worked as we got a full 35 minutes of Mythbusters before it crashed again..

 

Note that when the Soundbar is OFF, the TV streams without fail through the TV speakers. Using a DVD is always unproblematic of course. Pandora, Netflix, Amzn Prime, all work fine when using TV speakers, network doesn't disconnect.

As a test I have let Pandora stream for 15 minutes via TV speakers, then activated the soundbar (Optical connection) It continued its crashing symptoms after that.  


Now, this is a quandary: the soundbar works, and works well, but it's clearly the cause of the crashing wifi stream. HTCT260 is a 2.1 channel device. There's not much in the manual for this kind of troubleshooting. 


Valued Contributor
Valued Contributor
Posts: 1,786
Registered: ‎12-02-2011

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

What happens if the soundbar and wireless subwoofer is UNPLUGGED???

I'm speculating the wireless subwoofer is causing interference.
New Member
Posts: 3
Registered: ‎01-27-2014

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Do you mean, active tweet bar, but the wireless subwoofer unplugged only? I will experiment with that. As I said, I've unplugged the entire unit, and wifi continued without problems through the TV speaker. 

Valued Contributor
Valued Contributor
Posts: 1,786
Registered: ‎12-02-2011

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Tweet bar unplugged. Subwoofer unplugged.

If one device has power, it will try to communicate to the other.... generating radio interference with the wifi.

My wifi performance drops drastically when the kitchen and range hood is on. The motors generate some wifi interference.
New Member
Posts: 3
Registered: ‎01-27-2014

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Well, these devices, I would hope, were designed to operate while the TV is on, and surely I'm not the first customer to use Wifi streaming for video playback.

Trusted Contributor
Posts: 3,093
Registered: ‎01-26-2011

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Seems like interference is the culprit.

 

Google for "wireless subwoofer wifi interference" and "HTCT260 wifi interference"

 

 

Frequent Contributor
Posts: 655
Registered: ‎05-29-2010

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Bluetooth can absolutely interfere with 2.4Ghz wifi. If you have 5.0Ghz wifi available at home and your TV has a 5.0Ghz wifi adapter, use that for wireless streaming.

New Member
Posts: 1
Registered: ‎04-25-2016

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

I'm using 5Ghz and my LG sound bar still crashes my Wi-Fi. Could it have something to do with a bad ground? I've gone back to using the tv speakers and plan on trying a different sound bar asap. Is anyone using a sound bar that doesn't crash their Wi-Fi and does it have a three prong plug with a ground?
New Member
Posts: 2
Registered: ‎01-31-2019

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Just letting you know I have the same/similar problem, even though I have a mesh WiFi network with a satellite near the sound bar, and the TV, Xbox, etc. plugged into the satellite.
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New Member
Posts: 2
Registered: ‎01-31-2019

Re: Can a soundbar crash your wifi? (Specific case: LG TV with a Sony HTCT260)

Sorry, but I neglected to mention I, too, use an LG soundbar + subwoofer. (It has Dolby Atmos technology, which TV supports, but my first step is turning off the soundbar)