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PA System Alarm Interface RH2815E

※ The alarm panel produces an alarm sound automatically when activated by an external signal or manually by the pushbutton.
※ The siren message can be either a built-in siren or a user pre-recorded voice message.
※ 60-second digital IC for voice message recording via MIC.or LINE input.
  • Description
  • Specification
The Alarm Interface RH2815E is used in a public address system to produce an alarm sound either by RH2815E Alarm Interface
a short-circuit signal to trigger auto-alarm or by a manual pushbutton on the front panel,it can output a built-in factory defualt siren signal or a user-recorded voice alarm or siren,with the built-in 60-second recording IC,users may record their own voice alarm or siren message.

Can work with a fire alarm system to facilitate the orderly evacuation of a building in the event of an emergency.
Can be operated manually to conduct a fire or an emergency drill.

Reference Connection:

RH-AUDIO RH2815E Alarm Broadcasting

In above connection,the audio source MIC. & CD player are just for purpose of recording specific message by the user.
• Through MIC INPUT to use microphone for recording the human voice as evacuation audio message for the emergency broadcasting.

• Through LINE INPUT to make recording from other audio source device as evacuation audio message for the emergency broadcasting.

• Built-in SIREN circuitry with pushbutton on front panel for an orderly emergency evacuation of people and conducting a fire or an emergency drill manually.

• ALARM INPUT receives alarm message then to trigger the system for emergency broadcasting automaticlly.




Mic. Input

<5mV , 600ohms(Ω),unbalanced

Line Input

<400mV , 10k ohms(Ω),unbalanced

Line Output

>200mV (Siren signal or pre-recorded voice)

Frequency Response

100 Hz~3.4kHz(±3dB)


<0.01% at 1kHz


Sampling frequency:8kHz  5Bit

Record Time

1minute(8000-10000 times)

Alarm Activation Input


Alarm Activation Level

(0V) shortcut signal

Power Cable

(3×0.75 mm2)×1.5M  (standard)

Power Supply


Power Consumption



89(H)×483(W)×350(D)   mm

Packing Size


Net Weight


Gross Weight



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