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HIVI M50w speakers electronic interference

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Old 06-02-2018, 10:05 AM   #1
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HIVI M50w speakers electronic interference

Hi guys I have this set of speakers when I play music its fine but when I off the pc or not playing any song it will have an annoying electronic interference like static sounds. Any way to fix it ? The speaker plug is american 2 pin plug
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Old 06-02-2018, 10:14 AM   #2
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Hi guys I have this set of speakers when I play music its fine but when I off the pc or not playing any song it will have an annoying electronic interference like static sounds. Any way to fix it ? The speaker plug is american 2 pin plug
I had same problem initially, now gone.

use a surge protector, separate plug from pc, use better audio cable.
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Old 06-02-2018, 10:38 AM   #3
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Hi guys I have this set of speakers when I play music its fine but when I off the pc or not playing any song it will have an annoying electronic interference like static sounds. Any way to fix it ? The speaker plug is american 2 pin plug
That's your source's fault actually.

Extra noise when not playing, do you happen to be using a DAC from China?
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Old 06-02-2018, 12:41 PM   #4
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I had same problem initially, now gone.

use a surge protector, separate plug from pc, use better audio cable.
Used different surge protector/ direct plug outlet also same problem what kind of audio cable are you referring to ? like those kind of aux cable is it ? or is it the speaker cables

Last edited by johnnyboi; 06-02-2018 at 12:48 PM..
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Old 06-02-2018, 12:44 PM   #5
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That's your source's fault actually.

Extra noise when not playing, do you happen to be using a DAC from China?
Souce problem like the plug not grounded ? I use a cheap China DAC also have the same problem direct plug the the PC sound card also same, plug to monitor via hdmi also have x.X no idea what to do

Planning to buy a ground loop isolator and a EMI RFI Noise Suppressor to see if it helps
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Old 06-02-2018, 12:51 PM   #6
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English is a difficult medium to convey observations in...

Without actually hearing what noise is being emitted, there are two possibilities - common-mode noise and failing power supply capacitor.

For the first case you can plug your speaker power cable and DAC / PC power cable to the same power strip.
For the second case, disconnect line-in cable from the speaker, if noise is still there, then is second case. And then you can add yourself to the statistic of number of people pwned by failed HIVI M50W, which is 4 reported cases just on this forum alone.
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Old 06-02-2018, 02:17 PM   #7
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English is a difficult medium to convey observations in...

Without actually hearing what noise is being emitted, there are two possibilities - common-mode noise and failing power supply capacitor.

For the first case you can plug your speaker power cable and DAC / PC power cable to the same power strip.
For the second case, disconnect line-in cable from the speaker, if noise is still there, then is second case. And then you can add yourself to the statistic of number of people pwned by failed HIVI M50W, which is 4 reported cases just on this forum alone.

Its like an irregular high pitch hiss loud and irritating enough to wake me up from sleep to off the speakers even when my fan or aircon is running in the background. (cant record the sound as the mic from my phone does not pick it up)

I tried the 2nd case removing 3.5 jack from the subwoofer no sound but removing from the dac or soundcard when its connected to the subwoofer still have the same sound.

Last edited by johnnyboi; 06-02-2018 at 02:33 PM..
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Old 06-02-2018, 03:01 PM   #8
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Change your cable

Although could be the connector's issue too. Up to luck now.
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Old 06-02-2018, 04:25 PM   #9
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will try changing cables see how i goes
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Old 06-02-2018, 04:47 PM   #10
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Change your cable

Although could be the connector's issue too. Up to luck now.
Any cable brand to recommend ? i believe its my aux cable problem i tried around 3 new aux cable that i have seems to have the same problem than i borrowed another from my brother and his seems to stop the hissing totally when the pc is shut or not playing any music
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Old 06-02-2018, 05:30 PM   #11
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both my m50 m10 have this loud thud sound when off.

i read somewhere this is normal with swans speakers no shielding or what.
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Old 06-02-2018, 05:41 PM   #12
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Any cable brand to recommend ? i believe its my aux cable problem i tried around 3 new aux cable that i have seems to have the same problem than i borrowed another from my brother and his seems to stop the hissing totally when the pc is shut or not playing any music
Anything with gold plated connector and looks decent is good enough.

If you need to buy it urgently in Singapore can try DAIYO.

Really at this point feels like is the jack on the M50W screwed up already, using better cable just allows for better contact.
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Last edited by wwenze; 06-02-2018 at 05:44 PM..
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Old 06-02-2018, 06:21 PM   #13
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Anything with gold plated connector and looks decent is good enough.

If you need to buy it urgently in Singapore can try DAIYO.

Really at this point feels like is the jack on the M50W screwed up already, using better cable just allows for better contact.
Ok man thx for your insight bro !
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Old 08-02-2018, 02:16 PM   #14
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Hi guys I have this set of speakers when I play music its fine but when I off the pc or not playing any song it will have an annoying electronic interference like static sounds. Any way to fix it ? The speaker plug is american 2 pin plug
I've experienced this before.

try using different power socket or adapter.

that solved my issue.

Another set of my speaker also have this problem.
I move it to cooler area and the static sound is gone.
The heat in amplifier if too much might cause some weird noise.

that being said, the aux and dac can be the cause as well.

Last edited by produde1999; 08-02-2018 at 02:20 PM..
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