DIY Siren module's amplifier

Diouffy's picture


Joined: May 02, 2020

Replies: 10
DIY Siren module's amplifier
May 19, 2020 - 8:45pm

How can I amplifier siren circuit sound, may I connect the circuit to the power amplifier or powered speaker?

jaksonlee's picture


Joined: Nov 07, 2019

Replies: 122
An audio amplifier is
May 21, 2020 - 4:57pm

An audio amplifier is designed to have a fairly low level AC input. The siren circuit has a fairly high level DC output.

The little speaker shown can be replaced with a power resistor having the same resistance and a coupling capacitor can feed an attenuator that can be the input to a power amplifier.

Sourav Gupta's picture


Joined: Feb 12, 2018

Replies: 282
Yes you can connect the
May 22, 2020 - 7:37pm

Yes you can connect the output directly to a power amplifier to amplify the sound in a Loud Speaker.