PA System M/S Amplifier Switch RH2821M

※ Connect to 5 main amplifiers and 1 spare amplifier.
※ Automatic detection of fault units,and the first fault detected unit will be
automatically switched to the spare unit,other fault units if later detected
will be brought to your attention by the indicators.
※ Prompt tone will ring should any main unit fails.
※ Indicators have three different indications:Normal,Fault,or Spare.
※ Address setting using decimal system.
The Main/Spare amp selector switch RH2821M monitors up to five main amplifiers in the pa system,RH2821Mwhich will be switched automatically to the spare amplifier should any one fails,with five independent channels, it can also be operated manually for power amplifier upgrades and maintenance, each channel has a volume control, manual switch,and status indicator.


Reference Connection:

RH-AUDIO Main/Spare Amplifier Switch RH2821M

Note:
• Only one main power switching amplifier is used in above connection,the Main/Spare Amplifier Switch RH2821M can support connecting five main amplifiers in the same time.
• Make sure the terminals of "+" and "COM" are connected correctly to match each other between the devices.