This Package Includes Reserve 200 Bookshelf Speakers - Pair (Black) Reserve 400 Center Channel Speaker (Black) Reserve 200 Bookshelf Speakers Exceptional sound and elegant design at an incredible price The elegant Polk Reserve R200 bookshelf speaker delivers a full-bodied sound and clean tight bass. The 6.5 Turbine Cone 1 Pinnacle tweeter and X-Port deliver clear crisp Hi-Res Audio for the best reproduction of sound for the price. Features: Pinnacle Tweeter: The new ring radiator tweeter design dramatically improves dispersion while delivering clear crisp and natural highs Turbine Cone: 6.5 Turbine cone delivers smooth and incredibly detailed mid-range imaging Polk Patented X-Port: closed-pipe absorbers that are specifically tuned to catch and eliminate traditional speaker distortions Anti-diffraction Magnetic Grilles: Acoustically inert grilles offer a clean aesthetic without sacrificing sound Power Recommendation: 70W or more per channel power amplification is recommended to experience the best quality and performance from this speaker Premium Large 5-Way Binding Posts: Perfect for easy setup and to ensure the most direct efficient and loss-less connection possible Bi-Wire and Bi-amping: Equipped with dual 5-way binding posts to easily bi-wire or bi-amp for a more customized experience Amazing Sound and Elegance With an understated elegance the Reserve line has a minimalist design with universal appeal. Inheriting Polks flagship transducer array the R200 produces an exceptional sound that rivals competitor speakers that sell for twice the price. Polk Newly Patented X-Port (ETF) Polks newly patented X-Port incorporates an Eigentone Filter (ETF) offering distortion-free effortless bass. Consisting of a set of closed-pipe absorbers that are specifically tuned to catch and eliminate traditional speaker distortions. X-Port ensures that the upper bass and mid-range are free of port and cabinet resonances for smooth detailed a