Here are three of the numerous places that have benefited from John's expertise and solutions to preserve the architect's aesthetic vision.

St. Martins in Houston 

              

In St. Martins, the loudspeakers are installed in the columns and yet are not visible even close up.

 

Sony Metreon Amusement Area

John Prohs designed the Sony Wild Things audio systems and show controls.

 

Our Lady of Angels Cathedral  in LA

Most of the  loudspeakers are located in the trumpets in the center of the chandeliers in the Cathedral.  A few auxiliary and special purpose loudspeakers exist elsewhere.