Audio signalling

Mercura offers a wide range of high performance loudspeakers and sirens.

Flat Loudspeaker

Extra flat loudspeaker that fits easily into the vehicle!


for undercover application (121dB (A) in 3,5m)

MDB 120

Siren and speaker unit built into the number plate

MP5 “Flash” siren

One of the smallest sirens on the market !

MP5 Multi-tone Duo Loudspeaker

All-in-one siren and loudspeaker solution!

PSU : Portable Signalling Unit

Light, audio and portative signalling all in one same product !


Efficient, powerful, compact, easy to install in any motor compartments, even the most cluttered !

Portable Warning Device

A mobile and simple system with a powerful loudspeaker which enables a safe evacuation against danger !

NANO 112 +

Our new generation multifunctional module incorporates all emergency vehicle signalling functions!