Comparison of spy listening devices

Would one of these sound amplifiers work at a Major League ballpark to hear what the players talk about in the dugout?

Educational Insights Sonic Sleuth


–Works up to 300′ away

–Frequency controller blocks noise over 85 decibels

Sound Receiver WN-077 Spy Listening Device


–Eavesdrop on conversations discreetly up to 80 feet away

–Is there a frequency controller on this?

Spion Orbitor Electronic Listening Device


–Adjustable Frequency Controller reduces unwanted background sounds

–Built-in recorder stores 120 seconds of anything you hear

–Amplify sounds from hundreds of feet away

–You can clearly hear conversation-level sounds from a discreet distance of 300 feet!

Bionic Ear Listening Device


–Hear a conversation 100 yards away

–Increases sound by up to 40 decibles

–Output jack records sounds

–Omni-directional microphone w/windscreen

(Disclaimer: The Amazon links in this blog post are affiliate links, so I can make a few extra coins to help pay for a fraction of the cost to host this website. #CommissionsEarned)

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15 years ago

Nice things and they are pretty cheap!

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