Compression driver is ideal for use in police, fire, ambulance, and utility vehicles. Driver is equipped with a self aligning sound chamber assembly containing a 2 3/4" phenolic diaphragm with a nominal impedance of 11 Ohms. The AS100N is suitable for use with matched amplifier and control equipment in systems requiring AMECA (Automotive Manufacturer Equipment Compliance Agency, Inc.) certification to General Services Administration specifications (KKK-A-1822C). The AS100N is constructed using a Neodymium-Iron-Boron magnet.