Qolsys IQ Siren Frequently Asked Questions

How Loud is the Z-Wave IQ Siren for the Qolsys IQ Panel 2?
The Z-Wave IQ Siren provides a viable option for increasing the maximum siren volume of the IQ Panel 2. The standard internal siren for the IQ Panel 2 operates at 85 dB. But the Z-Wave IQ Siren can produce sounds up to 105 dB. This is about as loud as a motorcycle. Learn more about the IQ Siren.
Added:

Can I Add a Wired Siren to the Qolsys IQ Panel 2?
A wired siren can be added to a Qolsys IQ Panel 2 system. The device connects to the siren outputs on the back of the IQ Panel 2. The siren is powered using any 12VDC plug-in transformer. Once installed, it will function automatically. Learn more about using a wired siren with an IQ Panel 2.
Added:

Which Siren is Compatible w/ a Qolsys IQ Panel 2?
The IQ Panel 2 comes included with a built-in 85dB sounder. Those who want a louder sounder will need to purchase a separate siren. The 105 dB IQ Siren is generally the easiest option for upgrading the sounder on the IQ Panel 2. Learn more about using external sirens with the Qolsys IQ Panel 2.
Added: