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Old 17th February 2009, 02:43 PM   #1
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Join Date: Feb 2009
Post GSM Audio Amp: help required

hello
i want to amplify the sound of mobile phone for wcich i am using lm380 2.5w audio amplifier
and 8ohms/1w speaker. when i play music from mobile phone the sound quality of amplifier is perfect
but when i connect to a gsm phone call the voice of the caller which is amplified is very bad quality
there is a lot of noise in the speaker so voice could not be hear properly. so please suggest me how can i get noise
free response from amplifier during a gsm call I am using mobile hand free for audio amp input and hand free sound is perfect
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