Directional microphones

So-called resonators microphones, cardioid directional microphones and parabolic directional microphones are currently offered primarily by to be found on the internet spy shops. It is estimated that enjoy those microphones not only from potential eavesdroppers increasing popularity. It has also been offered technology in the areas of quality and performance, discovered at the level of children’s toys. This level is of course not to find a reputable internet spy shop.

On the subject of directional microphones should be noted at this point that very often the idea is that can be heard with the help of a directional microphone from outside into homes in order to obtain desired information or to eavesdrop prone to infidelity wife during a visit. This will not succeed in this way. Directional microphones are working only in open terrain, with as few obstacles such as trees.

The already-mentioned parabolic directional microphones focus using the parabolic mirror, the sound waves to the front openings of the high quality directional microphone. The sound waves are acoustically amplified and fed to the controllable operational amplifier, thereby an accurate pointing by the desired source of sound is possible. An adjustable gain up to 100 decibels is possible. The unit has a jack for headphones od. Voice recorder. To further the espionage shop offered amenities include microphone probe, parabolic in any size, special amplifier and headphones.

In Spy Shop offered cardioid directional microphones are on special products for monitoring and recording of sound signals under various conditions. Professional characteristics of the sound relating combine with compactness and low weight. The microphone in this case has a very narrow directivity. Produces with the help of the latest technologies, this microphone is to be regarded as highly sensitive condenser unit, which allows you to hear sounds from a distance of up to 100 meters.

Thanks to a new system of production, the dimensions of the device are becoming smaller and for this reason, to dispense with the use of so-called cardioid directional microphones with parabolic mirrors. In a Spy Shop offered compact structures are specially adapted for the discreet use. High professional qualities of the product allow to use the device for sound recordings for the purposes of Observation at security services.

Private users can find in a spy shop in this regard, among other body sound microphones. A stethoscope can be used for necessary only in conjunction with the amplifier microphone. By the connection with the amplifier and the structure-borne sound microphone is produced an electronic stethoscope, which can be used for listening to sounds of hidden or calls. Human language, the friction of mechanical parts or the ticking of a time fuze generate vibrations. Solid objects vibrate also when vibrations apply to you.

This physical property is the basis of the electronic stethoscope. Even barely perceptible vibrations are up to 50,000 times amplified and made audible as sound. Even through closed doors, windows and walls throughout will allow a hearing. In well-off Spy Shop is available as an accessory certainly one external speaker on offer, which can be connected instead of the headset, when about the microphone is mounted at a distance from the speaker, or has to be, or when the microphone is mounted outside an enclosed space.

For audio monitoring of distant places to directional microphones are not suitable. Here are usually called bugs GSM transmitter used that transmit sounds from the environment of the device via wireless connection.