Klipsch PRO16RC Reference In Ceiling Speaker, EachTRUE REFERENCE ACOUSTICS Using the same acoustic components and horn design as the highly acclaimed Reference box speaker line, the Professional Reference Architectural series perfectly combines the aesthetics of an architectural speaker with the pure performance and dynamic voicing of the Klipsch Reference series. With a 6. 5 IMG woofer and a 1 Aluminum Dome tweeter mated to a round Tractrix horn, the Pro 16RC brings dynamic, powerful, detailed