While some listening devices are used to eavesdrop on conversations going on across a barrier, others are used to attract sounds that are hundreds of feet away. Low cost audio surveillance science project or useful device for listening to power line faults, over pressured pipes, etc. The laser fires at the window, reflects, hits the receiver and is transformed into sound waves for you to hear. The modules can be set up on individual tripods to … May also be used as a long range laser voice communicator with a range usable to 10 miles line of sight with the proper optics. 1,633 long distance listening device products are offered for sale by suppliers on Alibaba.com, of which navigation & gps accounts for 1%, laser rangefinders accounts for 1%, and speaker accounts for 1%. We use cookies to give you the best possible experience on our website. If you’re interested in any of our best-selling audio spy products, contact our professional and helpful team today. The parabolic microphone range is up to 100 yards away (91.44m). ... Micro Super Ear.....$149.00 (A Pair) (2) Super Sensitive Listening Devices! We can state without any doubt that we offer the BEST laser listening devices in the world. Eavesdropping from a distance can be tricky because it usually requires some sort of bug or transmitter. It's a premium audio device, which benefits from ultra-clear sound (so long as its' not too concealed!). Depending on your aim, you may opt for either the short-range transmitters or long-range. There are various listening technologies available, but the most commonly used by private detectives include phone recorders, amplified bionic ears, long-range microphones, through-wall devices, miniature hidden microphones … This is another eavesdropping device that can be used from hundreds of feet away. The setup involves a laser, a receiver, and a glass window. Police and military also use crowd control devices to deescalate hostile situations. Crowd Control Devices. More complex systems contain an audio transmitter and receiver. The Laser Spy System is considered by many to be the Holy Grail of high tech spy devices because it can give the user the ability to listen in on... Homemade Long Range Listening Device | Techwalla.com LucidScience built the Laser Spy System for about $20. Here’s a surprisly simple way to build yourself a laser-based listening device.It consists of two modules, a transmitter and a receiver. Audio spy listening devices, surveillance has moved forward in the last couple of years, we are proud to offer a wide selection of audio surveillance listening devices since 2000. But not with a laser listening device! makes it easy to hide. This tiny audio device works via mobile SIM card so you can literally call from anywhere to hear what is happening. A directional microphone has a diaphragm at the end of a tubular barrel provided with lateral openings. CALL US TO MAKE AN APPOINTMENT FOR A LIVE LASER DEMONSTRATION IN OUR NEW 25,000 SQUARE FOOT WAREHOUSE! For more details including how to change your cookie settings, please read our Cookie Policy . Import quality Long Range Listening Device supplied by experienced manufacturers at Global Sources. The M+ version of a laser microphone makes it possible to eavesdrop on a conversation from a distance (up to 400 m) without entering the monitored room and ignoring obstacles, such as walls or … Listening Devices. Long range listening devices: High sensitivity and high response shotgun microphones, used in the investigative field, and naturalistic film. There are listening devices that transmit sounds as far as 300 feet. It operates by transmitting an invisible infrared beam to the window of the targeted room. Long range listening devices UHF We are often looking for a powerful audio surveillance transmitter, which can transmit the audio wireless, to a long distance remote receiver. Shotgun microphones. Laser listening device - Spectra Laser Microphone M+ is the most advanced laser microphone on the market. The Long Range Acoustic Device (LRAD) is an acoustic hailing device, sound cannon and sonic weapon developed by LRAD Corporation.Law enforcement organizations and the manufacturer claim that LRAD systems are primarily designed for long-range communications however, the device has an extremely high decibel capacity, and it most controversially used as a less-lethal weapon for crowd control. 4.2 out of 5 stars 3. The sounds that don't come from the targeted direction, enter in these openings, and they cancel each other. The Long-Range Laser Listening Device is an easy-to-assemble and easy-to-use system consisting of three main components: laser transmitter, laser receiver, and amplifier and equalizer unit with audio recorder. Crowd control devices are tools and non-lethal weapons that are used by the police and other authorities when crowds riot or civilian unrest occurs. It’s a great way to hear what’s going on in places up to 500 meters away. Voice Amplifiers / Long Range Listening Devices . Professional Directional Long Range Bionic Ear Listening Device for - Compare prices of 18858 products in Security Systems from 138 Online Stores in Australia. "Laser Listening Systems" ALL OF OUR LASERS WILL DEFEAT AND FILTER OUT ALL AUDIO JAMMERS AND LASER SURVEILLANCE DEFEATING DEVICES! These come in various forms. These voice changers turn from man to woman voice and vice versa, disorienting the hecklers. Be notified when sound is detected, listen live and also record for evidenial use. We have a wide range of sound recording devices, with various options and features which can be selected for the precise task that needs to be carried out. Long-Range Laser Listening Device. ... Quite a few people are critical about parabolic microphone dishes, but it does not seem as if any other long distance listening devices … Take a browse through the GSM audio listening products including mains powered for long term audio surveillance and battery powered for complete portability and a combination of both power options together. Outstanding performance: The long range of the waves transmitted by the device outstrips than on all conventional wireless microphones, making it possible to pick up voices clearly even at distant locations. Build the long range Laser Spy system The Laser Spy System is considered by many to be the Holy Grail of high tech spy devices because it can give the user the ability to listen in on conversations that take place in a distant building without having to install a bug or transmitter at the location. It works by using a laser pointed at a window and then having a Cadmium Sulfide Photocell capture the laser reflection. Listening devices can be utilized for a variety of purposes including listening through a wall, listening from a distance or enjoying your favorite animals in the wild. If you want to catch the sounds of nature, you can do it from a safe distance away without being noticed. Bugs can be installed in office rooms, workplaces, home or car. VOICE CHANGERS: To modify and conceal your voice: Equipped with different voice. With these devices, you place the bug transmitter in a location you want to be listening to and then you carry the receiver with you. If an intruder is detected within a 30 ft. range, TeleSpy calls a preset telephone number and lets you to listen in! The sounds that come from the target, cross the tube, arriving at the diaphragm microphone that translates them into audio signals. The top countries of supplier is China, from which the percentage of laser listening device supply is 100% respectively. Every component is right there with you in spy headquarters! Whatever your requirements, Spy Equipment UK has a range of listening devices to help you to listen to and record audio. Look to Spy Equipment UK for Your Audio Recording Devices. (charger included with purchase) Dimension approx 1.2cmx2.8cm3.8cm or 0.46 x 1 x 1.5 inch New Laser Ear & IR Audio Surveillance System (restricted) The NEW Laser Ear laser microphone long range room monitoring system with additional IR audio surveillance stethoscope microphone can be easily deployed when undercover surveillance is needed and the operator is unable to enter & place the audio bug into the targeted room. "Do Not confuse this system with the other little laser toys you see on the Internet!!!" Listening devices. 87 £49.99 £49.99 Audio recorders are normally either a device with a hidden Micro SD card or integrated memory inside. Wiretaps can be camouflaged in everyday items, or they can use advanced technology with low power consumption. iXium® Parabolic Microphone Bionic Ear for Long Range Listening Device up to 300 FT 8X Magnification Monocular Sound Amplifier 3.5 out of 5 stars 250 £28.87 £ 28 . Long Range Laser Listening Device. Not only is it simple to set up and use, but its' size (smaller than a matchbox!) One charge last a long time 48 hours standby time 7 hours usage time. A good quality laser pointer The second kind of long range listening device is a bug transmitter and receiver. It's easy to transmit audio through lasers, but you can also use lasers to build a microphone that picks up audio from a distance. Here’s the simple break down before I continue. The Sound Shark covers distance well, in addition to cutting out all surrounding interference – most notably wind – without diminishing the sound quality or clarity. In many cases, they can help resolve a situation peacefully. Transmission Range. Customer Support: 01332 280887 0 The perfect tool for your audio surveillance operation. The photocell is then connected to a headphone cord which is connected to your computer. Save with MyShopping.com.au! Further, when you are trying to compare the Sound Shark with other long range listening devices, one standout distinction is that it is an outdoor long range listening device. We also ask for extended privacy, so our transmissions won't be received by someone in the neighborhood. 1-48 of over 20,000 results for "listening devices" Skip to main search results ... Bird Recording Observing Listening Device Extreme Sound Amplifier Ear Bionic Upto 300ft Long Range Noise Reduction. A wide variety of laser listening device options are available to you, There are 34 suppliers who sells laser listening device on Alibaba.com, mainly located in Asia. Listening Devices. Listening devices are specialized private investigator tools that are used to monitor sounds or conversations which are not normally audible to the unassisted ear.