The L-PBM20A is a high-performance, 20 W public address bidirectional projection loudspeaker. It offers a broad frequency response range, low distortion, and a high sound pressure level - resulting in an accurate and intelligible broadcast of evacuation messages, and high-quality sound reproduction.It can be used in indoor, outdoor, dry, or wet applications, providing reliable operation across a wide range of temperatures and humidity levels. This bidirectional projection loudspeaker is the best choice for applications such as tunnels, galleries, and shopping arcades. It is both UL60065 and RoHS compliant.