THE MOST VERSATILE SURROUND SPEAKER AVAILABLE
The RP-500SA II can be used as an up-firing immersive speaker for Dolby Atmos Technology, a height speaker or a rear surround model all with the flip of a switch. Immersive sound comes alive from all directions, including overhead, with these Dolby Atmos® enabled speakers. Add to any monitor or tower speaker or use as surround speakers for a hemisphere of rich, detailed sound. 90° X 90° SILICON COMPOSITE HYBRID TRACTRIX HORN
Horn loading maximizes efficiently and increases detail while focusing high frequencies towards the listening area. Proprietary Tractrix® geometry provides the most efficient transfer of high frequency waves into the listening area. The phase plug and compressed molded silicon face ensure smooth frequency response. When combined, the cleanest, most natural sound possible is created. The second generation increases horn size for a larger soundstage and enhanced directivity.
LINEAR TRAVEL SUSPENSION (LTS) TITANIUM DIAPHRAGM TWEETER 
The exclusive Linear Travel Suspension minimizes distortion for enhanced, detailed performance. LTS tweeters are a hallmark of previous Reference lines, making it a core component of some of the best speakers in the world.
VENTED TWEETER DESIGN
The vented tweeter housing reduces standing waves that create unwanted harmonics, resulting in enhanced detail and clarity in high frequency reproduction.
CERAMETALLIC WOOFERS – ALL NEW DESIGN 
A signature feature on the Reference Premiere series, Cerametallic™ woofers are exceptionally rigid and lightweight for minimal distortion and maximum efficiency. New aluminum shorting rings reduce distortion as well as increased power handling and the new motor structure improve transit response with more control with greater speed and accuracy.
SWITCHABLE CROSSOVER The RP-500SA II
features a switchable crossover that changes between Atmos and Surround modes, for optimized performance in any configuration.
NEW AND IMPROVED INPUT PANEL
Featuring audiophile-grade wire and easily accessible aluminum binding posts for any connection type.
FURNITURE GRADE MATERIALS AND FINISHES 
Finishes include ebony vinyl and walnut vinyl that boast satin painted baffles with a scratch resistant finish.
STRONG, FLEXIBLE, REMOVABLE GRILLE
Attaches magnetically for an elegant transition from powerful showstopper to discrete performance piec