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Long distance listening - this is a true parabolic microphone tried and tested. I can hear a light whisper at 50 yards animals scratching at 70 yards. : r/3Dprinting
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Klover MIK 26 Tactical 600 Foot Long Range Parabolic Collector for Omnidirectional & Lavalier Microphones (Tactical) - SpyAssociates.com
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