Focal ISU165 Universal Integration Series 6.5" Component Speaker System

Highlights Component speaker system includes two woofers and two tweeters with inline crossovers 6-1/2" polyglass woofer with butyl rubber surround Aluminum / Magnesium inverted dome tweeter with acoustic horn design Tweeter installation accessories included 4-ohm impedance Handles up to 70 watts RMS power range (140 watts peak) Frequency response: 60-21,000 Hz Sensitivity: 93 dB Woofer top-mount depth: 1-15/16" Grilles not included Warranty: 1 year Features Polyglass Cone: The woofer cone has a cellulose pulp base and is coated with a uniform deposit of hollow glass microballs. The addition of the Polyglass layer significantly increases the cone's rigidity without adding much weight. This combination takes advantage of the accuracy and neutrality of the hard outer surface, but maintains the superior damping characteristics of the cellulose pulp. Surround: The butyl rubber surround is resistant to ultraviolet rays, temperature extremes, and humidity to add to the speaker's reliabilit