Polk Audio Signature Elite ES50

Product highlights:

• dual 5-1/4″ mica-reinforced polypropylene Dynamic Balance® cone drivers
• 1″ Terylene high-res dome tweeter
• handles up to 150 watts
• frequency response: 42-40,000 Hz
• sensitivity: 89 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