Voice Alert System
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This special Intercom system dedicated for buses to allows communication between the driver and passengers with special needs onboarding from the back door and / or sitting in a dedicated seat at the back of the bus. (Mothers with baby carriages, wheelchair-bound people, adult passengers coming from the back door, etc.).
The system enables the passenger to make a proactive contact with the driver and a qualitative two-way conversation when necessary. In addition, the system is suitable for long articulated buses where there is a problem to contact the driver from the rear end.
Professional intercom system designed for bus application to enable safe and quick communication between the driver and passengers sitting in a dedicated seat at the back of the bus with limited access to the driver.
The intercom consists of 3 elements:
-Main amplifier
-Driver microphone
-Slave Passenger unit with built in speaker and microphone
The intercom amplifier utilizes class D technology which enables high quality voice transmission with maximum efficiency while maintaining low current consumption and minimal energy consumption.
|
Operating Supply Voltage |
12-28 V DC |
|
Output Peak Current (not rep. t = 100 micro s.) |
0.5A |
|
Output Peak Current (rep. f more 10 Hz) |
1 A |
|
Output Power |
5W |
|
Output Impedance |
between 2–8 Ohms (Normally 4 Ohms) |
|
Input Power |
5W |
|
Distortion 4 Ohm Po |
0.1 to 5 W Max. 0.5 % |
|
Cross-Talk f |
1kHz 6 dB |
|
f |
10kHz 5 dB |
