Hi to all,

I am new here but I have seen lot of useful things... An therefore, I have a question.

I have amplifier Yamaha P5000s (2 x 700W on 4 ohms) and have bought 4 x Behringer B1800X-Pro subwoofers (18 inch - 450W each) on 8 ohms. They are all connected to Amplifier. 2 way or 3 way speakers are going to be connected to other amplifier (also Yamaha P5000S or powered mixer Yamaha EMX-5000)

I am going to use the outside (open field) for speeches and music during smaller events. Therefore I have questions:

What speakers/power should I use together with those 4 subwoofers in order to get proper sound on open field?