Infinity 6X9&rdquo; 360 watts Max Power 3-Way Primus Series Coaxial Car Audio Stereo Speaker With Edge-Driven Textile Tweeters 6" x 9" Primus Series Coaxial Car Speakers Power Handling: Peak: 360 watts per pair / 180 watts each Plus One+ polypropylene woofer cone with hi-roll rubber surround 3-ohm impedance for extra power (compatible with virtually all factory or aftermarket car stereos) Frequency Response: 53-21,000 Hz / Top-mount Depth: 2-1/16" / Sensitivity: 93dB