Parabolic Microphone Performance Comparison At 25 Feet

125-Hz-@-25-ft
250-Hz-@-25-ft
500-Hz-@-25-ft
1-kHz-@-25-ft
2-kHz-@-25-ft
4-kHz-@-25-ft
8-kHz-@-25-ft
16-kHz-@-25-ft