The wrong connection might have affected the sound system please check a good technician to fix the problem. Thanks
SOURCE: static noise coming out of speakers
What sort of computer do you have? Is it a laptop or desktop? Many
laptops have this problem and it is quite widespread in laptops. The
crackling or humming noise could be a result of interference from the
mains power signal.
If it's a laptop, try running it on battery alone (take out the mains
power cord). My laptop has this kind of noise in speakers when running
on mains electrical supply, but it goes away like magic when I run it
on battery.
A more long-term solution is to buy a 'Ground Loop Isolator' and insert
it between your computer and the speakers/earphones. They are quite
cheap and you could get it for under £10. It removes all static noise
and you'll hear crystal clear sound.
SOURCE: lost ac power adapter ac cord panasonic sdr-s7 camcorder
Go to Radio Shack, bring your camera, and they will sell you an AC adapter part number: 273-1696 for $30.
SOURCE: music too loud and drowns out the speech . WHY ????
I also had this problem. I read elsewhere that this happens when your TV's audio setting are set to surround sound when you don't actually have a 5-speaker system. I changed the settings to regular stereo and it fixed the problem perfectly.
SOURCE: I just received a GPX JM250S Karaoke Party
The music to sing along with apparently MUST come from a disk played on the unit. It appears that the external audio jacks are just to use the unit as either a boombox or to drive a larger sound system. You will have to convert your IPOD music into a Karaoke compatible CD to be able to sing along with it... They probably detect MIC input and mute any incoming signals from the RCA jack inputs,
SOURCE: background sound often is so loud it drowns out
Looks like you have inadvertently enabled some sound effect, usually these effects can be enabled/ disabled form sounds menu. They will have names like surround, movie hall, concert etc. Go to the sound settings and disable any activated audio effects.
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