toshiba tv -model 4sl412u -50"-very low sound

i have a toshiba 50" model 46sl412u - i get a very low sound my tv and can't adjust it up- some interference. what's wrong

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Hi,

What is the source of your video/audio signal - antenna, cable box etc and if cable box etc what input type are you using - HDMI, component composite etc?

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Hi

if your input signal is good so you have to check the speaker in your TV

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