Parabolic Microphone Performance Comparison At 100 Feet

125-Hz-@-100-ft
250-Hz-@-100-ft
500-Hz-@-100-ft
1-kHz-@-100-ft
2-kHz-@-100-ft
4-kHz-@-100-ft
8-kHz-@-100-ft
16-kHz-@-100-ft