Azden ACS-6.5 Drop Ceiling Coaxial 8 Ohm Speaker is a passive, full-range speaker that provides up to 50W of power and is an ideal solution for classrooms, offices, waiting rooms, reception areas, retail, etc. The speaker features spring connectors and is easily flush mounted into ceiling tile and sheet-rock. The 6.5 polypropylene mid-range woofer produces natural bass response, while the coaxial-mounted 1" polycarbonate tweeter provides superior high frequencies.