Polk Audio TSi500 Black Compact Tower Speaker Single Part Number: Tsi 500 Type: Floorstanding Speakers Speakers Configuration: Stereo / Front Driver Units: Mid/Woofer: 4 - 6.5 Diameter (16.51cm), Bi-Laminate Organic Fiber cone Tweeter: 1 - 1 Diameter (2.54cm), Silk Dome Dynamic Balance Power Rating: 20-275 w/channel Frequency Response: 28Hz - 25kHz Nominal Impedance: 8 ohms Sensitivity: 91 dB |