- Little Ferry, New Jersey, United States
- US $35.00
- Jan 30th
The Federal Signal Model AMR4 is an economical, four-inch round, two-watt, transformer coupled ceiling speaker for use in any public address or paging application. This ceiling speaker is designed to reproduce a full range of voice communication and electronically generated warning tones. The AMR4 is Underwriters Laboratories Listed for "Fire Protective Signaling Use".