The Microphone PZM®-11 LL is a professional flush-mount line-level boundary layer microphone that excels in conference-room, security, and surveillance settings. Its discreet design allows it to be seamlessly installed in ceilings or walls using a standard electrical outlet box. With its focus on delivering exceptional clarity, the PZM®-11 LL resembles a light switch to blend inconspicuously into its surroundings, ensuring minimal attention is drawn to it.