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The partition wall has a stereo amplification device using KM or KB/KD series sensors. This device can receive and record analog sound signals (vocals, footsteps, other sounds). Due to the use of reflective noise amplification equipment, this machine can make very small The sound is detected.
The sound quality of the wall listening system is clear and easy to operate. It has been widely used in the world police, security and other departments; its efficacy has been unanimously recognized by police professionals, and it is one of the reconnaissance equipment highly praised by the police; The external sensor is connected to the audio amplifier. The amplifier is equipped with independent volume control on the left channel and the right channel. It also provides external recording function. It provides accurate and sensitive high-definition listening effect. The leader of the product, it can be heard through buildings such as walls, roofs and floors. For example, in the place where the hostages are held, the stereo wall listening device can be used as a quick monitoring device for special forces, and also a military and police force, forensic investigation. The necessary products for the investigation and anti-reconnaissance of the technical investigation department.
Features:
The operator can independently adjust the critical frequency, the amount of amplification and the optimal state of the receiver according to the site conditions.
The amplifier can be infinitely amplified according to the received signal;
Recording can be performed simultaneously through the output terminal;
2-channel high sensitivity pickup;
Exclusive stereo equalization and volume control;
Standard recording interface;
0~10db noise reduction switch;
Dry battery powered or regulated power supply directly;
has a low voltage indicating circuit;
Solid sound: 20CM-80CM
Products Demo Photo:
Technical Datas:
Audio input
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2 audio inputs (mike)(SMA)
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Audio output
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3.5" jack (stereo)
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Audio control
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Low pass filtering, periodic frequency, low cut filter 50-300 HZ, high cut filter 1-6 HZ
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Receiving control
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0-60 dB unlimited
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Headphone output
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>32 Ω
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Battery
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Internal 9V / plus 6-12V
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Exterior
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110×45×130 mm
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