Polk Audio Signature Elite ES55

Product highlights:

• two 6-1/2″ mica-reinforced polypropylene Dynamic Balance® cone drivers
• 1″ Terylene high-res dome tweeter
• handles up to 200 watts
• frequency response: 40-40,000 Hz
• sensitivity: 90 dB
• 8-ohm impedance
• Power Port® technology for enhanced bass response
• non-resonant MDF cabinet
• dual 5-way gold-plated binding posts
• anti-diffraction magnetic grilles for minimal sonic interference
• includes stabilizing feet