How to choose a sound amplifier for the pool?

Question

Audio

Hello! Guys, tell me which one to choose (maybe a specific model) amplifier for a pool of 25 meters (competitions), the only wish of the trainer was resistance to wet rooms, we don’t know anything more in terms of parameters.

Answer 1

so I can google for you
u.to/dJrPDQ
some water resistance of the amplifier can be achieved by varnishing the printed circuit board