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RTS Intercom Systems

Four-Channel User/Main Station with 4.0 amp Power Supply


* Please note that the price shown does not include, Shipping, Custom duties, Bankwire charges and local taxes that may apply depending on your location. Thank you.


The MS-4002 is a complete four-channel, balanced audio master station and 4 amp system power supply in a single unit. You simply plug it into any AC power outlet from 100 to 240 volts, add a microphone or headset, connect intercom stations to the back panel, and you are ready to communicate. The MS-4002 is now equipped with an advanced programming mode on the front panel, eliminating the need for internal DIP switches. It also has a feature that automatically senses the type of headset attached to the unit, either dynamic or electret. The MS-4002 fits in a standard 19" equipment rack and is 1 rack unit high. The MS-4002 is Clear-Com compatible, with the ability to run in unbalanced mode.

• Auto-Sensing Headset Connector
• Backlit Buttons
• Clear-Com Compatible
• Expandable
• Incoming Call Indications
• Instantaneous Auto-Reset
• Listening with External Powered Speakers
• Mic Kill
• Program Input for Each Channel
• Public Address (PA) Output, with PA key
• Speaker Station or Headset Station
• Voice Activated Microphone (VOX)


Input Impedance 75 k
Weight 4.41 lbs (2 kg)
Frequency Response 200 Hz to 8 kHz +1/-3dB
Width 19" (48.26 cm)
Common Mode Rejection Ratio Greater than 50 dB
Storage Temperature -20
Depth 10.31" (26.19 cm)
Height 1.75" (4.45 cm)
Input Limiter 100mV maximum
Operating Temperature -15
Output Level 1.0 Vrms nominal, 2.3 Vrms max
Input Voltage 25
Power requirement AC Input: 100-240 VAC, 50/60 Hz Channel Power: 24 VDC nominal (12 to 30 VDC), 65 to 150 mA MS-4002 is capable of supplying 4 amps overall

Item Includes

Standard Manufacturer's Warranty

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UBMS is the leading distributor of Broadcast & professional video equipment in the Middle East & Africa based in Dubai, United Arab Emirates.

Address: Rashid Al Majid Building, Airport Road, Dubai

Tel : +971 4 2827171