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Beijing Heweiyongtai Sci & Tech Co., Ltd. |
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Stereo Listening Through Wall System
Model: HWCW-IV
Description
This multi-function stereo listening through wall device is popular in similar products nowadays, which can give listener the clearest audio information they want to know. This is a special headset 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 clearly. The contact microphone has two powerful transducers together comprise an exceptional monitoring device. It has been widely used in police, prison and intelligence department etc.
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 automatically when insert dedicated memory card.
Technical Parameters
| Dimension | MCU(main control unit): 131×125×42mm; 41×18×15mm |
| Total Weight | 956g |
| Power Supply | Built-in 9V battery |
| Battery Working Time | 5 hours without recording; 4 hours with recording |
| 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 500 hours) |
