The C51HF-EN range ceiling speaker units feature a self-extinguishing ABS body and metal fire dome and grille.

Suitable for flush-mounted installation in false ceilings, it is equipped with a protected integrated thermal fuse, a 100V transformer for connection via terminals to constant voltage lines and a rotary switch that allows you to easily adjust the output power.

A low impedance connection (8 ohm) is also available.

These speaker units provide excellent sound performance and speech intelligibility, as well as powerful music reproduction.

It is ideal for installation in large facilities such as schools, hotels, airports and conference rooms.