Remove the driver.

Two wires from the amp go to the driver. One wire color is on + and the other is on -. Make a note of which wire color is on which polarity.

Remove the wires from the driver.

Remove the amp.

Replace with the new amp.

Connect the wires to your driver per your notes.

Screw the driver back in.

House of the Rising Sone
Out in the mid or far field
Dedicated mid-woofers are over-rated