Beijing Heweiyongtai Sci & Tech Co., Ltd.
Beijing Heweiyongtai Sci & Tech Co., Ltd. Beijing Heweiyongtai Sci & Tech Co., Ltd. was established in the beginning of 2008. We are a hi-tech enterprise specializing in manufacturing and trading
Add to Cart
Dimensional Sound Wall Listening Device
Description
This multi-function Wall Listening Device is the most updated one in similar products nowadays, which can give listener the clearest audio information they are going to know. 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. It is widely used in police, prison and intelligence department.
Features
● Super 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.
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) |