What amps are you using with those speaker enclosures? I see the speakers are rated 50W RMS, are you pushing that much from each amp channel? I built an enclosure last winter that houses two 5" woofer/tweeter combo marine speakers. it's shaped similar to a truck style subwoofer box, but more of a 45 degree wedge shape to have the speakers projecting more up than out. The box has space inside for 1 or 2 8AH batteries and a 2 channel mini amp with SD card and remote. The sound is 10 times better than horn speakers. I run a custom mixed track with low feeder sounds combined with lots of individual calls/barks. Bonus is having great sounding music from it while setting up or tearing down.