A Sound Amplifier System enables you to hear conversations in another room, or on the other side of the park, so you can listen to what's being said, without the other party's knowledge. Use an Audio Amplification System to listen to your spouse's phone conversations in the next room. Get
to know your teenager's friends when they think they're alone in your backyard.
Now eavesdropping is a breeze! You won't believe what our line of Audio Amplifiers will let you hear! No conversation is safe from our prying ears, giving you the peace-of-mind you deserve, because sometimes things aren't better left unsaid.
The #1 Sound Amplifying Device trusted by Private Investigators picks up audio as far as 300 yards away and amplifies it to a whopping 40 dB. With easy recording output and a 100 hour battery life, this portable sound amplifier device is perfect for all your covert listening operations.
Superhero hearing! Bionic woman and superman only wish they could hear this well. Magnify faint or distant sounds with the extremely powerful Bionic Ear & Booster Sound Amplifier/Listening Device.
The Laser-3000 is the cutting edge in acoustic surveillance technology. The Laser-3000 allows you to listen into a room even when access to the room is impossible.
