Parabolic Microphone Performance Comparison At 50 Feet

125-Hz-@-50-ft
250-Hz-@-50-ft
500-Hz-@-50-ft
1-kHz-@-50-ft
2-kHz-@-50-ft
4-kHz-@-50-ft
8-kHz-@-50-ft
16-kHz-@-50-ft