Not getting an ac current output through my speaker in my amplifier circuit
There shouldn't be any DC component in the output, Rf should bring the inverting input to match the divider voltage (present at pin 2).

Per the datasheet, the SHUTDOWN pin should be held at 0V or pulled up to Vdd to disable, the transition is at mid-point, so holding it at 2.5V will make it behave unpredictably.