how to connect ipad2 to pa system wirelessly?

[bluekitty]

I have an tropical bird show and i'm wanting to use a ipad to play music tracks over my pa and i'd like to do it wireless? Is this possible and what do i need to do this? Thanks for the help.

 

[DefBref]

Get a airport express Connect it to your PA system and you can airplay audio from your ipad to it