Details:

bass-reflex (ported) design
frequency response 60-26,000 Hz (-3dB)
handles 20-150 watts
two 1" silk/polymer tweeters
5-1/4" Dynamic Balance polymer composite woofer
8-ohm impedance
sensitivity 88 dB
dipole/bipole switch
5-way binding post terminals
voice-matched to Polk's RTi tower and bookshelf speakers and CSi center channel speakers
11-5/16"W x 12-1/16"H x 7-13/16"D
Gear4Less warranty: 5 years