iSpeak 5R is a 6 W cabinet loudspeaker with a polypropylene plastic housing and metal grill, with built-in 100V transformer and  internal volume attenuator. It’s equipped with 5" (127 mm) full-range speaker. The iSpeak 5R can be used in emergency 3-wire systems to transmit voice evacuation messages at maximum volume, regardless of the volume attenuator setting. Simple installation on any flat surface, either horizontal or vertical, with rotating logo. Ideal for public address and background music applications, specially suited for retail shops, schools, and government buildings.