You must have some filter between pic and AMP. That filter should remove carrier frequency of pwm, so you get analog signal on output ... Then you feed that signal into AMP.
AMP can't amplify PWM signal.
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Re: Choosing resistors for audio circuits
You must have some filter between pic and AMP. That filter should remove carrier frequency of pwm, so you get analog signal on output ... Then you feed that signal into AMP.
AMP can't amplify PWM signal.
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