Yes. Any mic wired for a Cobra should work.
you need a jumper coax from the output of the radio and the amp input connector 3 to 6 feet should be fine. Just long enough to be far enough away from your radio so the coax doesn't have to make a sharp bend anyway.
use, flip the switch to AM
. For SSB
use, flip the switch to SSB
Makes sense on its own; right?
Check your SWR between the amp ant the antenna WITHOUT turning the amp on.
Make sure that the antenna's SWR is 1.5 to 1 - or less - before you transmit. Below 1.5 is recommended - if possible If it is not within those specs, re-tune the antenna until 1.5 to 1 is accomplished.
Make sure you turn the RF Output knob on the radio almost all of the way down (CCW) before you turn on the amp and transmit.
You will also need a power supply to power the amp. Not sure on the output rating of this amp. Figure on 12 amperes for every 100 watts of power that the amp is rated at.
A 300 watt amp and a 36 ampere power supply should be OK.
A 500 watt amp and a 60 ampere power supply.
A 200 watt amp and a 25 ampere power supply.
I think you get the picture by now.
The greater the power output from an amp - will also require a bigger gauge of cable to power it.
If the wires get warm or hot; then the gauge is too small. Or you are pushing the amp output too hard.
Never make the amp do more than it was designed to do. They are expensive to fix.