And I was also wondering if sending a tone to the amplifier would be the same as sending a tone to a peizo speaker.
Yes.
Just connect the arduino output to the amplifier input through a series 0.1uF capacitor.
And I was also wondering if sending a tone to the amplifier would be the same as sending a tone to a peizo speaker.
Yes.
Just connect the arduino output to the amplifier input through a series 0.1uF capacitor.