Do all marine speakers sound like PA horns/speakers when installed in a car?

Question

the reason why i asked is because one of my co-workers have them in the grill of his impala and i want to know if they all sound so loud where you can hear them from a block away

Answer 1

well they are are for hearing over the water and waves,,,but the engine heat should melt those things real soon,,,

Answer 2

they all sound like that.Its thje platic and metal that has no resonance like paper cones.