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Beijing Heweiyongtai Sci & Tech Co., Ltd. |
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Multi-function Stereo Listening Through Wall System
Model: HWCW-IV
Description
This multi-function stereo listen through wall device is popular in similar products nowadays, which can give listener the clearest audio information they are going to know. This is a special amplifier that will pick up the slightest noise through solid objects like a wall, so you can listen to what is happening on the other side. The contact microphone is a ceramic pin specially developed for converting vibration into audible noise. It has two powerful transducers together comprise an exceptional monitoring device to enable police, prison and so on.
Features
●High Detection sensitivity
●The threshold frequency,gain of the amplifier and microphone are adjustable
●The gain of the amplifier can be infinitely adjusted.
●People can monitor with channel 1, channel 2 separately or simultaneously.
●Built-in recording function, it can record when insert the dedicated recording memory, no need to use other recording device.
Technical Parameters
| Dimension | MCU(main control unit):131×125×42mm； :41×18×15mm |
| Weight | MCU(main control unit):398g； Sensor:25g/piece； wires:45g/piece； Earphone:418g； Device total weight:956g |
| Power Supply | Built-in 9V battery；external DC 9V input(optional) |
| Audio input | Left and right double track |
| Audio output | Left and right output simultaneously, or left and right output separately |
| Audio adjust | Gain adjustment, low frequency, high frequency filter adjustment and volume adjustment |
| Headphone output | 3.5” standard interface |
| Recording output | Built-in recording module, real-time recording by USB external dedicated recording memory |
| Recording memory | 16GB(continuous recording about 1500 hours) |
| Product list | MCU(main control unit)×1,Sensors×2,wires×2,stereophonic noise reduction, earphone×1,Recording memory×1,Users Guide×1,outer box×1 |
