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Emergency Voice / Alarm Communications System

5-Channel Amplifier Switch

KB-D21M 5-Channel Amplifier Switch monitors up to 5 main power amplifiers which will be switched automatically to the spare amplifier should any one fail.

Overview

KB-D21M 5-Channel Amplifier Switch monitors up to 5 main power amplifiers which will be switched automatically to the spare amplifier should any one fail. With 5 independent channels, it can also be operated manually for power amplifier upgrades and maintenance. Each channel has volume control, manual switch, and status indicator.

Features & Benefits:
  • Can connect to 5 main amplifier, and 1 spare amplifier
  • Can automatically detect the fault of amplifier, and shift the signal of the first disabled main amplifier to the spare amplifier and the rest display the fault condition through indicator
  • When device detects the fault, it can transmit warning tone by itself
  • There are three types of indicators: Main, Fault and Spare
  • Remote power control, remote inquiry of fault, and spare channel shifting control
  • Short circuit power activation
  • Apply address setting switch, use decimal system to set the local address
Certifications:
  • CE
  • RoHS
Specifications

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    • 5-Channel Amplifier Switch

Others

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KB-D21M
Amplifier Switch, 6 audio source channels, 5 Main Amplifier Channels
Image
SKU
Description
alt
KB-D21M
Amplifier Switch, 6 audio source channels, 5 Main Amplifier Channels