KT-4G Public Address Main Unit:

KT-4G Public Address Main Unit Function

Double power amplifier outputs and each amplifier output is equipped with short circuit protection box for overload protection.

Two power amplifiers have independent five lines outputs, they are line1, line2, line3, line4, and line5.

When line one is working, the other four lines are forcedly closed.

When active all line on, line2, line3, line4, and line5 will simultaneously give output.

Support AUX sound source access.

In case of emergency, forced full volume is available.

PA remote control box is located in strategic locations, the main unit can be connected 16 lines.

Talkback function: mutual talkback can be carried out between PA remote control box and the main unit.

Main unit has FM radio function and can support the DVD/CD function (optional).

Key lock function.

Main unit can display the general emergency alarm, fire alarm, busy, power fault and key lock.

Auto switchover between main power and emergency power.

It is supplied to passenger ship, various ships, and offshore platforms.

Technical Parameter

Nonlinear distortion: Pout= f o =1 KHz: ≤10%

Signal to noise ratio: ≥46dB

Frequency response: 150Hz~5 KHz ± 2dB

Input signal: 0.7V ± 0.1V

Output Voltage: 120V ± 5V

Output Power: 2x100W, 2x200W, 2x300W, 2x500W, 2X1000W, 2X2000W.

Radio frequency range: FM87.5~FM108Hz

Main power supply: AC 220V ± 10%

Emergency power supply: AC 220V ± 10%/DC 24V

Color: Sea gray (RAL 7035)

IP class: IP 20

Weight: 97KG

Power Loss: 200W/400W/600W/1000W/2000W/4000W

KG-4T Mounting Size