POLK AUDIO RESERVE R400C Center Channel Speaker vibration-free efficiency with a simple

vibration-free efficiency with a simple turn of the patented Rotating Cam system

aircraft-grade aluminum construction

with easy step-by-step instructions

for crystal clear highs The SR9040’s Aluminum Dome Tweeters feature ultralight

and to accommodate all configurations as much as possible

POLK AUDIO RESERVE R400C Center Channel Speaker vibration-free efficiency with a simplePOLK AUDIO Reserve R400C Key Features Home Theater Essential: The center channel speaker is the most important speaker in your home theater system, delivering movie and TV dialogue with exceptional clarity Pinnacle Tweeter: The new ring radiator tweeter design dramatically improves dispersion while delivering clear, crisp and natural highs Turbine Cone: Delivers smooth and incredibly detailed midrange imaging Polk Patented X Port: closed pipe