Model TB830-4L(TB860-4L)is a precision built, efficient and economical full-featured electronic siren of advanced design.
It can provided many tones so that work in different vehicles and occations.
TB830-4L Using 300 watt high-power output, make the sound transmit wider.
TB860-4L Using 600 watt high-power output, make the sound transmit wider.
The amplifier box contains two separate amplifiers that allow the user to operate two separate and distinct tones at the same time. This dual-tone feature creates a unique sound that is one of the most attention getting amplifiers on the market today.
The panel of this siren provides indicating function of illumination which enables the siren to be operated in any dark environment.
The siren contains two light controls. It's can control the turn on/turn off of other caution lamp by conveniently.
It's adopt fission instruction and easy to installation.
It’s can connect the input of auxiliary tone, and can connect vehicle sounder, as the publicize car.
The siren adopt micro SCM to control the electronic ,capability stabilization, credibility and long life.
| Model | TB-830 | TB-860 |
| Input Voltage | DC12V | DC12V |
| Operating Voltage | DC10.5 ~ 14.5V | DC10.5 ~ 14.5V |
| Input Current | 22A | 35A |
| Light Control | 4 | 4 |
| Light Control Current | 10A*4 | 10A*4 |
| Output Power | 300W | 600W |
| Output Impedance | 11Ω*2 | 11Ω*4 |
| Amplifier Dimension | 180*150*63.7mm | 230*150*63.7mm |
| Control Dimension | 110*50*18mm | 110*50*18mm |
| Police Audio Frequency | 500Hz ~ 1850Hz | 500Hz ~ 1850Hz |
| Installation From | Fission | Fission |
| Net Weight | 3.2KG | 3.8KG |
| Gross Weight | 4KG | 4.6KG |
| Packaging Dimension | 258*230*163mm | 258*230*163mm |
