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 set up 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