الوصف
Polk Audio CSIA4 CENTER for sale in good condition
video-shielded
bass-reflex (ported) design
frequency response 65-25,000 Hz (-3dB)
handles 20-180 watts
1" Dynamic Balance silk/polymer tweeter
dual 5-1/4" Dynamic Balance polymer composite woofers
8-ohm impedance
sensitivity 89 dB
5-way binding post terminals